Finding the Fourth Proportional to 121,350.35, 167,469.21 and 67,635.75
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Solution
The fourth proportional to 121,350.35, 167,469.21 and 67,635.75 is: 93,340.52
Step by Step Solution
- Step 1: Write the proportion equation
121,350.35 : 167,469.21 = 67,635.75 : x - Step 2: Convert to fraction form
121,350.35/167,469.21 = 67,635.75/x - Step 3: Cross multiply
121,350.35x = 167,469.21 × 67,635.75 - Step 4: Simplify right side
121,350.35x = 11,326,904,613.82 - Step 5: Solve for x
x = 11,326,904,613.82/121,350.35 - Step 6: Final answer
x = 93,340.52
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1.5x scale
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.