Finding the Fourth Proportional to 132,174.18, 182,400.53 and 71,744.79
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Solution
The fourth proportional to 132,174.18, 182,400.53 and 71,744.79 is: 99,007.90
Step by Step Solution
- Step 1: Write the proportion equation
132,174.18 : 182,400.53 = 71,744.79 : x - Step 2: Convert to fraction form
132,174.18/182,400.53 = 71,744.79/x - Step 3: Cross multiply
132,174.18x = 182,400.53 × 71,744.79 - Step 4: Simplify right side
132,174.18x = 13,086,287,720.74 - Step 5: Solve for x
x = 13,086,287,720.74/132,174.18 - Step 6: Final answer
x = 99,007.90
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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.