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Finding the Fourth Proportional to 132,777.60, 199,190.88 and 38,003.76

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Solution

The fourth proportional to 132,777.60, 199,190.88 and 38,003.76 is: 57,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,777.60 : 199,190.88 = 38,003.76 : x
  2. Step 2: Convert to fraction form
    132,777.60/199,190.88 = 38,003.76/x
  3. Step 3: Cross multiply
    132,777.60x = 199,190.88 × 38,003.76
  4. Step 4: Simplify right side
    132,777.60x = 7,570,002,397.71
  5. Step 5: Solve for x
    x = 7,570,002,397.71/132,777.60
  6. Step 6: Final answer
    x = 57,012.65

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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.