Finding the Fourth Proportional to 132,599.97, 182,985.08 and 72,169.11
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Solution
The fourth proportional to 132,599.97, 182,985.08 and 72,169.11 is: 99,591.80
Step by Step Solution
- Step 1: Write the proportion equation
132,599.97 : 182,985.08 = 72,169.11 : x - Step 2: Convert to fraction form
132,599.97/182,985.08 = 72,169.11/x - Step 3: Cross multiply
132,599.97x = 182,985.08 × 72,169.11 - Step 4: Simplify right side
132,599.97x = 13,205,870,006.03 - Step 5: Solve for x
x = 13,205,870,006.03/132,599.97 - Step 6: Final answer
x = 99,591.80
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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.