Finding the Fourth Proportional to 132,156.09, 182,375.58 and 71,726.74
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Solution
The fourth proportional to 132,156.09, 182,375.58 and 71,726.74 is: 98,982.99
Step by Step Solution
- Step 1: Write the proportion equation
132,156.09 : 182,375.58 = 71,726.74 : x - Step 2: Convert to fraction form
132,156.09/182,375.58 = 71,726.74/x - Step 3: Cross multiply
132,156.09x = 182,375.58 × 71,726.74 - Step 4: Simplify right side
132,156.09x = 13,081,204,897.13 - Step 5: Solve for x
x = 13,081,204,897.13/132,156.09 - Step 6: Final answer
x = 98,982.99
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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.