Finding the Fourth Proportional to 121,035.09, 167,026.03 and 67,318.95
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Solution
The fourth proportional to 121,035.09, 167,026.03 and 67,318.95 is: 92,898.82
Step by Step Solution
- Step 1: Write the proportion equation
121,035.09 : 167,026.03 = 67,318.95 : x - Step 2: Convert to fraction form
121,035.09/167,026.03 = 67,318.95/x - Step 3: Cross multiply
121,035.09x = 167,026.03 × 67,318.95 - Step 4: Simplify right side
121,035.09x = 11,244,016,793.97 - Step 5: Solve for x
x = 11,244,016,793.97/121,035.09 - Step 6: Final answer
x = 92,898.82
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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.