Finding the Fourth Proportional to 172,160.10, 237,514.41 and 126,945.09
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Solution
The fourth proportional to 172,160.10, 237,514.41 and 126,945.09 is: 175,135.17
Step by Step Solution
- Step 1: Write the proportion equation
172,160.10 : 237,514.41 = 126,945.09 : x - Step 2: Convert to fraction form
172,160.10/237,514.41 = 126,945.09/x - Step 3: Cross multiply
172,160.10x = 237,514.41 × 126,945.09 - Step 4: Simplify right side
172,160.10x = 30,151,288,153.75 - Step 5: Solve for x
x = 30,151,288,153.75/172,160.10 - Step 6: Final answer
x = 175,135.17
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1.5x scale
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.