Home / 129,250.60-193,796.52-50,272.78

Finding the Fourth Proportional to 129,250.60, 193,796.52 and 50,272.78

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Solution

The fourth proportional to 129,250.60, 193,796.52 and 50,272.78 is: 75,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,250.60 : 193,796.52 = 50,272.78 : x
  2. Step 2: Convert to fraction form
    129,250.60/193,796.52 = 50,272.78/x
  3. Step 3: Cross multiply
    129,250.60x = 193,796.52 × 50,272.78
  4. Step 4: Simplify right side
    129,250.60x = 9,742,689,814.73
  5. Step 5: Solve for x
    x = 9,742,689,814.73/129,250.60
  6. Step 6: Final answer
    x = 75,378.29

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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.