Home / 90,232.20-135,348.30-84,327.30

Finding the Fourth Proportional to 90,232.20, 135,348.30 and 84,327.30

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Solution

The fourth proportional to 90,232.20, 135,348.30 and 84,327.30 is: 126,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,232.20 : 135,348.30 = 84,327.30 : x
  2. Step 2: Convert to fraction form
    90,232.20/135,348.30 = 84,327.30/x
  3. Step 3: Cross multiply
    90,232.20x = 135,348.30 × 84,327.30
  4. Step 4: Simplify right side
    90,232.20x = 11,413,556,698.59
  5. Step 5: Solve for x
    x = 11,413,556,698.59/90,232.20
  6. Step 6: Final answer
    x = 126,490.95

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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.