Finding the Fourth Proportional to 132,757.07, 183,025.58 and 128,629.31
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Solution
The fourth proportional to 132,757.07, 183,025.58 and 128,629.31 is: 177,334.84
Step by Step Solution
- Step 1: Write the proportion equation
132,757.07 : 183,025.58 = 128,629.31 : x - Step 2: Convert to fraction form
132,757.07/183,025.58 = 128,629.31/x - Step 3: Cross multiply
132,757.07x = 183,025.58 × 128,629.31 - Step 4: Simplify right side
132,757.07x = 23,542,452,509.48 - Step 5: Solve for x
x = 23,542,452,509.48/132,757.07 - Step 6: Final answer
x = 177,334.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.