Home / 102,761.76-141,811.18-60,320.29

Finding the Fourth Proportional to 102,761.76, 141,811.18 and 60,320.29

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Solution

The fourth proportional to 102,761.76, 141,811.18 and 60,320.29 is: 83,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,761.76 : 141,811.18 = 60,320.29 : x
  2. Step 2: Convert to fraction form
    102,761.76/141,811.18 = 60,320.29/x
  3. Step 3: Cross multiply
    102,761.76x = 141,811.18 × 60,320.29
  4. Step 4: Simplify right side
    102,761.76x = 8,554,091,502.84
  5. Step 5: Solve for x
    x = 8,554,091,502.84/102,761.76
  6. Step 6: Final answer
    x = 83,241.97

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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.