Home / 146,651.28-219,067.08-106,350.36

Finding the Fourth Proportional to 146,651.28, 219,067.08 and 106,350.36

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Solution

The fourth proportional to 146,651.28, 219,067.08 and 106,350.36 is: 158,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,651.28 : 219,067.08 = 106,350.36 : x
  2. Step 2: Convert to fraction form
    146,651.28/219,067.08 = 106,350.36/x
  3. Step 3: Cross multiply
    146,651.28x = 219,067.08 × 106,350.36
  4. Step 4: Simplify right side
    146,651.28x = 23,297,862,822.15
  5. Step 5: Solve for x
    x = 23,297,862,822.15/146,651.28
  6. Step 6: Final answer
    x = 158,865.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.