Finding the Fourth Proportional to 134,657.98, 185,827.97 and 74,229.62
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Solution
The fourth proportional to 134,657.98, 185,827.97 and 74,229.62 is: 102,436.85
Step by Step Solution
- Step 1: Write the proportion equation
134,657.98 : 185,827.97 = 74,229.62 : x - Step 2: Convert to fraction form
134,657.98/185,827.97 = 74,229.62/x - Step 3: Cross multiply
134,657.98x = 185,827.97 × 74,229.62 - Step 4: Simplify right side
134,657.98x = 13,793,938,854.91 - Step 5: Solve for x
x = 13,793,938,854.91/134,657.98 - Step 6: Final answer
x = 102,436.85
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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.