Home / 218,659.44-327,707.55-106,121.87

Finding the Fourth Proportional to 218,659.44, 327,707.55 and 106,121.87

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Solution

The fourth proportional to 218,659.44, 327,707.55 and 106,121.87 is: 159,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,659.44 : 327,707.55 = 106,121.87 : x
  2. Step 2: Convert to fraction form
    218,659.44/327,707.55 = 106,121.87/x
  3. Step 3: Cross multiply
    218,659.44x = 327,707.55 × 106,121.87
  4. Step 4: Simplify right side
    218,659.44x = 34,776,936,380.58
  5. Step 5: Solve for x
    x = 34,776,936,380.58/218,659.44
  6. Step 6: Final answer
    x = 159,046.12

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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.