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Finding the Fourth Proportional to 133,585.20, 200,372.20 and 33,743.92

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Solution

The fourth proportional to 133,585.20, 200,372.20 and 33,743.92 is: 50,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,585.20 : 200,372.20 = 33,743.92 : x
  2. Step 2: Convert to fraction form
    133,585.20/200,372.20 = 33,743.92/x
  3. Step 3: Cross multiply
    133,585.20x = 200,372.20 × 33,743.92
  4. Step 4: Simplify right side
    133,585.20x = 6,761,343,487.02
  5. Step 5: Solve for x
    x = 6,761,343,487.02/133,585.20
  6. Step 6: Final answer
    x = 50,614.47

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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.