Home / 90,410.28-135,604.98-23,855.73

Finding the Fourth Proportional to 90,410.28, 135,604.98 and 23,855.73

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Solution

The fourth proportional to 90,410.28, 135,604.98 and 23,855.73 is: 35,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.28 : 135,604.98 = 23,855.73 : x
  2. Step 2: Convert to fraction form
    90,410.28/135,604.98 = 23,855.73/x
  3. Step 3: Cross multiply
    90,410.28x = 135,604.98 × 23,855.73
  4. Step 4: Simplify right side
    90,410.28x = 3,234,955,789.54
  5. Step 5: Solve for x
    x = 3,234,955,789.54/90,410.28
  6. Step 6: Final answer
    x = 35,780.84

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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.