Finding the Fourth Proportional to 167,565.72, 231,234.84 and 92,113.68
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Solution
The fourth proportional to 167,565.72, 231,234.84 and 92,113.68 is: 127,113.66
Step by Step Solution
- Step 1: Write the proportion equation
167,565.72 : 231,234.84 = 92,113.68 : x - Step 2: Convert to fraction form
167,565.72/231,234.84 = 92,113.68/x - Step 3: Cross multiply
167,565.72x = 231,234.84 × 92,113.68 - Step 4: Simplify right side
167,565.72x = 21,299,892,056.61 - Step 5: Solve for x
x = 21,299,892,056.61/167,565.72 - Step 6: Final answer
x = 127,113.66
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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.