Home / 129,874.20-194,663.76-54,947.58

Finding the Fourth Proportional to 129,874.20, 194,663.76 and 54,947.58

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Solution

The fourth proportional to 129,874.20, 194,663.76 and 54,947.58 is: 82,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,874.20 : 194,663.76 = 54,947.58 : x
  2. Step 2: Convert to fraction form
    129,874.20/194,663.76 = 54,947.58/x
  3. Step 3: Cross multiply
    129,874.20x = 194,663.76 × 54,947.58
  4. Step 4: Simplify right side
    129,874.20x = 10,696,302,525.70
  5. Step 5: Solve for x
    x = 10,696,302,525.70/129,874.20
  6. Step 6: Final answer
    x = 82,358.95

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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.