Home / 133,941.60-200,839.40-40,435.20

Finding the Fourth Proportional to 133,941.60, 200,839.40 and 40,435.20

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Solution

The fourth proportional to 133,941.60, 200,839.40 and 40,435.20 is: 60,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,941.60 : 200,839.40 = 40,435.20 : x
  2. Step 2: Convert to fraction form
    133,941.60/200,839.40 = 40,435.20/x
  3. Step 3: Cross multiply
    133,941.60x = 200,839.40 × 40,435.20
  4. Step 4: Simplify right side
    133,941.60x = 8,120,981,306.88
  5. Step 5: Solve for x
    x = 8,120,981,306.88/133,941.60
  6. Step 6: Final answer
    x = 60,630.76

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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.