Finding the Fourth Proportional to 126,062.20, 173,962.63 and 68,702.99
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Solution
The fourth proportional to 126,062.20, 173,962.63 and 68,702.99 is: 94,808.38
Step by Step Solution
- Step 1: Write the proportion equation
126,062.20 : 173,962.63 = 68,702.99 : x - Step 2: Convert to fraction form
126,062.20/173,962.63 = 68,702.99/x - Step 3: Cross multiply
126,062.20x = 173,962.63 × 68,702.99 - Step 4: Simplify right side
126,062.20x = 11,951,753,092.41 - Step 5: Solve for x
x = 11,951,753,092.41/126,062.20 - Step 6: Final answer
x = 94,808.38
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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.