Home / 83,481.03-125,221.49-20,300.73

Finding the Fourth Proportional to 83,481.03, 125,221.49 and 20,300.73

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Solution

The fourth proportional to 83,481.03, 125,221.49 and 20,300.73 is: 30,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.03 : 125,221.49 = 20,300.73 : x
  2. Step 2: Convert to fraction form
    83,481.03/125,221.49 = 20,300.73/x
  3. Step 3: Cross multiply
    83,481.03x = 125,221.49 × 20,300.73
  4. Step 4: Simplify right side
    83,481.03x = 2,542,087,557.18
  5. Step 5: Solve for x
    x = 2,542,087,557.18/83,481.03
  6. Step 6: Final answer
    x = 30,451.08

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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.