Home / 220,217.98-303,906.45-124,723.30

Finding the Fourth Proportional to 220,217.98, 303,906.45 and 124,723.30

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Solution

The fourth proportional to 220,217.98, 303,906.45 and 124,723.30 is: 172,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,217.98 : 303,906.45 = 124,723.30 : x
  2. Step 2: Convert to fraction form
    220,217.98/303,906.45 = 124,723.30/x
  3. Step 3: Cross multiply
    220,217.98x = 303,906.45 × 124,723.30
  4. Step 4: Simplify right side
    220,217.98x = 37,904,215,335.29
  5. Step 5: Solve for x
    x = 37,904,215,335.29/220,217.98
  6. Step 6: Final answer
    x = 172,121.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.