Finding the Fourth Proportional to 125,174.92, 172,757.46 and 71,447.62
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Solution
The fourth proportional to 125,174.92, 172,757.46 and 71,447.62 is: 98,606.89
Step by Step Solution
- Step 1: Write the proportion equation
125,174.92 : 172,757.46 = 71,447.62 : x - Step 2: Convert to fraction form
125,174.92/172,757.46 = 71,447.62/x - Step 3: Cross multiply
125,174.92x = 172,757.46 × 71,447.62 - Step 4: Simplify right side
125,174.92x = 12,343,109,354.25 - Step 5: Solve for x
x = 12,343,109,354.25/125,174.92 - Step 6: Final answer
x = 98,606.89
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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.