Home / 84,087.96-126,025.28-83,198.10

Finding the Fourth Proportional to 84,087.96, 126,025.28 and 83,198.10

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Solution

The fourth proportional to 84,087.96, 126,025.28 and 83,198.10 is: 124,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087.96 : 126,025.28 = 83,198.10 : x
  2. Step 2: Convert to fraction form
    84,087.96/126,025.28 = 83,198.10/x
  3. Step 3: Cross multiply
    84,087.96x = 126,025.28 × 83,198.10
  4. Step 4: Simplify right side
    84,087.96x = 10,485,063,847.97
  5. Step 5: Solve for x
    x = 10,485,063,847.97/84,087.96
  6. Step 6: Final answer
    x = 124,691.62

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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.