Home / 133,712.28-200,542.46-50,612.76

Finding the Fourth Proportional to 133,712.28, 200,542.46 and 50,612.76

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Solution

The fourth proportional to 133,712.28, 200,542.46 and 50,612.76 is: 75,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.28 : 200,542.46 = 50,612.76 : x
  2. Step 2: Convert to fraction form
    133,712.28/200,542.46 = 50,612.76/x
  3. Step 3: Cross multiply
    133,712.28x = 200,542.46 × 50,612.76
  4. Step 4: Simplify right side
    133,712.28x = 10,150,007,397.79
  5. Step 5: Solve for x
    x = 10,150,007,397.79/133,712.28
  6. Step 6: Final answer
    x = 75,909.31

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1.5x scale

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.