Home / 129,262.60-193,814.52-50,284.78

Finding the Fourth Proportional to 129,262.60, 193,814.52 and 50,284.78

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Solution

The fourth proportional to 129,262.60, 193,814.52 and 50,284.78 is: 75,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,262.60 : 193,814.52 = 50,284.78 : x
  2. Step 2: Convert to fraction form
    129,262.60/193,814.52 = 50,284.78/x
  3. Step 3: Cross multiply
    129,262.60x = 193,814.52 × 50,284.78
  4. Step 4: Simplify right side
    129,262.60x = 9,745,920,499.01
  5. Step 5: Solve for x
    x = 9,745,920,499.01/129,262.60
  6. Step 6: Final answer
    x = 75,396.29

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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.