Finding the Fourth Proportional to 132,118.62, 198,248.49 and 61,998.54
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Solution
The fourth proportional to 132,118.62, 198,248.49 and 61,998.54 is: 93,030.92
Step by Step Solution
- Step 1: Write the proportion equation
132,118.62 : 198,248.49 = 61,998.54 : x - Step 2: Convert to fraction form
132,118.62/198,248.49 = 61,998.54/x - Step 3: Cross multiply
132,118.62x = 198,248.49 × 61,998.54 - Step 4: Simplify right side
132,118.62x = 12,291,116,937.20 - Step 5: Solve for x
x = 12,291,116,937.20/132,118.62 - Step 6: Final answer
x = 93,030.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.