Home / 90,443.76-135,589.04-34,252.88

Finding the Fourth Proportional to 90,443.76, 135,589.04 and 34,252.88

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Solution

The fourth proportional to 90,443.76, 135,589.04 and 34,252.88 is: 51,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,443.76 : 135,589.04 = 34,252.88 : x
  2. Step 2: Convert to fraction form
    90,443.76/135,589.04 = 34,252.88/x
  3. Step 3: Cross multiply
    90,443.76x = 135,589.04 × 34,252.88
  4. Step 4: Simplify right side
    90,443.76x = 4,644,315,116.44
  5. Step 5: Solve for x
    x = 4,644,315,116.44/90,443.76
  6. Step 6: Final answer
    x = 51,350.31

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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.