Finding the Fourth Proportional to 132,892.65, 183,385.11 and 72,462.80
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Solution
The fourth proportional to 132,892.65, 183,385.11 and 72,462.80 is: 99,994.99
Step by Step Solution
- Step 1: Write the proportion equation
132,892.65 : 183,385.11 = 72,462.80 : x - Step 2: Convert to fraction form
132,892.65/183,385.11 = 72,462.80/x - Step 3: Cross multiply
132,892.65x = 183,385.11 × 72,462.80 - Step 4: Simplify right side
132,892.65x = 13,288,599,279.11 - Step 5: Solve for x
x = 13,288,599,279.11/132,892.65 - Step 6: Final answer
x = 99,994.99
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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.