Home / 90,132.92-135,158.36-48,002.18

Finding the Fourth Proportional to 90,132.92, 135,158.36 and 48,002.18

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Solution

The fourth proportional to 90,132.92, 135,158.36 and 48,002.18 is: 71,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,132.92 : 135,158.36 = 48,002.18 : x
  2. Step 2: Convert to fraction form
    90,132.92/135,158.36 = 48,002.18/x
  3. Step 3: Cross multiply
    90,132.92x = 135,158.36 × 48,002.18
  4. Step 4: Simplify right side
    90,132.92x = 6,487,895,925.22
  5. Step 5: Solve for x
    x = 6,487,895,925.22/90,132.92
  6. Step 6: Final answer
    x = 71,981.43

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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.