Home / 129,820.14-194,737.05-54,929.97

Finding the Fourth Proportional to 129,820.14, 194,737.05 and 54,929.97

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Solution

The fourth proportional to 129,820.14, 194,737.05 and 54,929.97 is: 82,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,820.14 : 194,737.05 = 54,929.97 : x
  2. Step 2: Convert to fraction form
    129,820.14/194,737.05 = 54,929.97/x
  3. Step 3: Cross multiply
    129,820.14x = 194,737.05 × 54,929.97
  4. Step 4: Simplify right side
    129,820.14x = 10,696,900,314.39
  5. Step 5: Solve for x
    x = 10,696,900,314.39/129,820.14
  6. Step 6: Final answer
    x = 82,397.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.