Finding the Fourth Proportional to 132,418.76, 198,565.70 and 48,119.63
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Solution
The fourth proportional to 132,418.76, 198,565.70 and 48,119.63 is: 72,156.75
Step by Step Solution
- Step 1: Write the proportion equation
132,418.76 : 198,565.70 = 48,119.63 : x - Step 2: Convert to fraction form
132,418.76/198,565.70 = 48,119.63/x - Step 3: Cross multiply
132,418.76x = 198,565.70 × 48,119.63 - Step 4: Simplify right side
132,418.76x = 9,554,906,781.26 - Step 5: Solve for x
x = 9,554,906,781.26/132,418.76 - Step 6: Final answer
x = 72,156.75
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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.