Home / 88,891.35-133,337.03-82,132.95

Finding the Fourth Proportional to 88,891.35, 133,337.03 and 82,132.95

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Solution

The fourth proportional to 88,891.35, 133,337.03 and 82,132.95 is: 123,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,891.35 : 133,337.03 = 82,132.95 : x
  2. Step 2: Convert to fraction form
    88,891.35/133,337.03 = 82,132.95/x
  3. Step 3: Cross multiply
    88,891.35x = 133,337.03 × 82,132.95
  4. Step 4: Simplify right side
    88,891.35x = 10,951,363,207.47
  5. Step 5: Solve for x
    x = 10,951,363,207.47/88,891.35
  6. Step 6: Final answer
    x = 123,199.43

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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.