Home / 129,238.60-193,778.52-50,260.81

Finding the Fourth Proportional to 129,238.60, 193,778.52 and 50,260.81

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Solution

The fourth proportional to 129,238.60, 193,778.52 and 50,260.81 is: 75,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,238.60 : 193,778.52 = 50,260.81 : x
  2. Step 2: Convert to fraction form
    129,238.60/193,778.52 = 50,260.81/x
  3. Step 3: Cross multiply
    129,238.60x = 193,778.52 × 50,260.81
  4. Step 4: Simplify right side
    129,238.60x = 9,739,465,375.80
  5. Step 5: Solve for x
    x = 9,739,465,375.80/129,238.60
  6. Step 6: Final answer
    x = 75,360.34

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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.