Home / 154,217.66-231,062.22-103,521.78

Finding the Fourth Proportional to 154,217.66, 231,062.22 and 103,521.78

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Solution

The fourth proportional to 154,217.66, 231,062.22 and 103,521.78 is: 155,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217.66 : 231,062.22 = 103,521.78 : x
  2. Step 2: Convert to fraction form
    154,217.66/231,062.22 = 103,521.78/x
  3. Step 3: Cross multiply
    154,217.66x = 231,062.22 × 103,521.78
  4. Step 4: Simplify right side
    154,217.66x = 23,919,972,305.15
  5. Step 5: Solve for x
    x = 23,919,972,305.15/154,217.66
  6. Step 6: Final answer
    x = 155,105.27

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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.