The amount that can be borrowed with a monthly payment of $1,000 at 5.125% for 30 years is $183,659.123
The steps that used to find the amount that can be borrowed can be presented as follows;
The monthly payment on a loan formula indicates that we get;

Where
r = The monthly interest rate
P = The monthly payment on the loan
PV = The present value, or amount borrowed
n = The number of periods of payment
Therefore, we get;
r = 5.125%/12
P = $1,000
n = 30 × 12
30 × 12 = 360



The amount that can be borrowed is about $183,659.123