Finding the Fourth Proportional to 121,179.96, 167,233.68 and 67,462.92
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Solution
The fourth proportional to 121,179.96, 167,233.68 and 67,462.92 is: 93,101.80
Step by Step Solution
- Step 1: Write the proportion equation
121,179.96 : 167,233.68 = 67,462.92 : x - Step 2: Convert to fraction form
121,179.96/167,233.68 = 67,462.92/x - Step 3: Cross multiply
121,179.96x = 167,233.68 × 67,462.92 - Step 4: Simplify right side
121,179.96x = 11,282,072,375.15 - Step 5: Solve for x
x = 11,282,072,375.15/121,179.96 - Step 6: Final answer
x = 93,101.80
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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.