Home / 129,535.20-194,359.23-45,355.82

Finding the Fourth Proportional to 129,535.20, 194,359.23 and 45,355.82

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Solution

The fourth proportional to 129,535.20, 194,359.23 and 45,355.82 is: 68,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,535.20 : 194,359.23 = 45,355.82 : x
  2. Step 2: Convert to fraction form
    129,535.20/194,359.23 = 45,355.82/x
  3. Step 3: Cross multiply
    129,535.20x = 194,359.23 × 45,355.82
  4. Step 4: Simplify right side
    129,535.20x = 8,815,321,279.42
  5. Step 5: Solve for x
    x = 8,815,321,279.42/129,535.20
  6. Step 6: Final answer
    x = 68,053.48

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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.