Home / 90,422.10-135,633.15-58,929.30

Finding the Fourth Proportional to 90,422.10, 135,633.15 and 58,929.30

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Solution

The fourth proportional to 90,422.10, 135,633.15 and 58,929.30 is: 88,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,422.10 : 135,633.15 = 58,929.30 : x
  2. Step 2: Convert to fraction form
    90,422.10/135,633.15 = 58,929.30/x
  3. Step 3: Cross multiply
    90,422.10x = 135,633.15 × 58,929.30
  4. Step 4: Simplify right side
    90,422.10x = 7,992,766,586.30
  5. Step 5: Solve for x
    x = 7,992,766,586.30/90,422.10
  6. Step 6: Final answer
    x = 88,393.95

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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.