Home / 129,725.20-194,434.20-54,845.20

Finding the Fourth Proportional to 129,725.20, 194,434.20 and 54,845.20

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Solution

The fourth proportional to 129,725.20, 194,434.20 and 54,845.20 is: 82,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,725.20 : 194,434.20 = 54,845.20 : x
  2. Step 2: Convert to fraction form
    129,725.20/194,434.20 = 54,845.20/x
  3. Step 3: Cross multiply
    129,725.20x = 194,434.20 × 54,845.20
  4. Step 4: Simplify right side
    129,725.20x = 10,663,782,585.84
  5. Step 5: Solve for x
    x = 10,663,782,585.84/129,725.20
  6. Step 6: Final answer
    x = 82,202.86

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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.