Finding the Fourth Proportional to 132,381.21, 182,687.29 and 71,951.99
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Solution
The fourth proportional to 132,381.21, 182,687.29 and 71,951.99 is: 99,294.41
Step by Step Solution
- Step 1: Write the proportion equation
132,381.21 : 182,687.29 = 71,951.99 : x - Step 2: Convert to fraction form
132,381.21/182,687.29 = 71,951.99/x - Step 3: Cross multiply
132,381.21x = 182,687.29 × 71,951.99 - Step 4: Simplify right side
132,381.21x = 13,144,714,063.21 - Step 5: Solve for x
x = 13,144,714,063.21/132,381.21 - Step 6: Final answer
x = 99,294.41
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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.