Home / 88,891.10-133,336.65-82,132.70

Finding the Fourth Proportional to 88,891.10, 133,336.65 and 82,132.70

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Solution

The fourth proportional to 88,891.10, 133,336.65 and 82,132.70 is: 123,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,891.10 : 133,336.65 = 82,132.70 : x
  2. Step 2: Convert to fraction form
    88,891.10/133,336.65 = 82,132.70/x
  3. Step 3: Cross multiply
    88,891.10x = 133,336.65 × 82,132.70
  4. Step 4: Simplify right side
    88,891.10x = 10,951,299,073.46
  5. Step 5: Solve for x
    x = 10,951,299,073.46/88,891.10
  6. Step 6: Final answer
    x = 123,199.05

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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.