Finding the Fourth Proportional to 131,636.66, 197,454.99 and 61,565.18
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Solution
The fourth proportional to 131,636.66, 197,454.99 and 61,565.18 is: 92,347.77
Step by Step Solution
- Step 1: Write the proportion equation
131,636.66 : 197,454.99 = 61,565.18 : x - Step 2: Convert to fraction form
131,636.66/197,454.99 = 61,565.18/x - Step 3: Cross multiply
131,636.66x = 197,454.99 × 61,565.18 - Step 4: Simplify right side
131,636.66x = 12,156,352,001.25 - Step 5: Solve for x
x = 12,156,352,001.25/131,636.66 - Step 6: Final answer
x = 92,347.77
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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.