Home / 90,493.28-135,760.18-27,314.52

Finding the Fourth Proportional to 90,493.28, 135,760.18 and 27,314.52

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Solution

The fourth proportional to 90,493.28, 135,760.18 and 27,314.52 is: 40,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,493.28 : 135,760.18 = 27,314.52 : x
  2. Step 2: Convert to fraction form
    90,493.28/135,760.18 = 27,314.52/x
  3. Step 3: Cross multiply
    90,493.28x = 135,760.18 × 27,314.52
  4. Step 4: Simplify right side
    90,493.28x = 3,708,224,151.81
  5. Step 5: Solve for x
    x = 3,708,224,151.81/90,493.28
  6. Step 6: Final answer
    x = 40,977.90

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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.