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Finding the Fourth Proportional to 150,966.60, 226,190.70 and 71,910.60

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Solution

The fourth proportional to 150,966.60, 226,190.70 and 71,910.60 is: 107,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,966.60 : 226,190.70 = 71,910.60 : x
  2. Step 2: Convert to fraction form
    150,966.60/226,190.70 = 71,910.60/x
  3. Step 3: Cross multiply
    150,966.60x = 226,190.70 × 71,910.60
  4. Step 4: Simplify right side
    150,966.60x = 16,265,508,951.42
  5. Step 5: Solve for x
    x = 16,265,508,951.42/150,966.60
  6. Step 6: Final answer
    x = 107,742.43

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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.