Finding the Fourth Proportional to 121,332.06, 167,422.14 and 67,610.70
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Solution
The fourth proportional to 121,332.06, 167,422.14 and 67,610.70 is: 93,293.79
Step by Step Solution
- Step 1: Write the proportion equation
121,332.06 : 167,422.14 = 67,610.70 : x - Step 2: Convert to fraction form
121,332.06/167,422.14 = 67,610.70/x - Step 3: Cross multiply
121,332.06x = 167,422.14 × 67,610.70 - Step 4: Simplify right side
121,332.06x = 11,319,528,080.90 - Step 5: Solve for x
x = 11,319,528,080.90/121,332.06 - Step 6: Final answer
x = 93,293.79
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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.