Home / 218,519.24-327,778.86-124,959.56

Finding the Fourth Proportional to 218,519.24, 327,778.86 and 124,959.56

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Solution

The fourth proportional to 218,519.24, 327,778.86 and 124,959.56 is: 187,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,519.24 : 327,778.86 = 124,959.56 : x
  2. Step 2: Convert to fraction form
    218,519.24/327,778.86 = 124,959.56/x
  3. Step 3: Cross multiply
    218,519.24x = 327,778.86 × 124,959.56
  4. Step 4: Simplify right side
    218,519.24x = 40,959,102,122.90
  5. Step 5: Solve for x
    x = 40,959,102,122.90/218,519.24
  6. Step 6: Final answer
    x = 187,439.34

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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.