Home / 153,380.92-229,964.62-67,945.39

Finding the Fourth Proportional to 153,380.92, 229,964.62 and 67,945.39

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Solution

The fourth proportional to 153,380.92, 229,964.62 and 67,945.39 is: 101,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,380.92 : 229,964.62 = 67,945.39 : x
  2. Step 2: Convert to fraction form
    153,380.92/229,964.62 = 67,945.39/x
  3. Step 3: Cross multiply
    153,380.92x = 229,964.62 × 67,945.39
  4. Step 4: Simplify right side
    153,380.92x = 15,625,035,792.10
  5. Step 5: Solve for x
    x = 15,625,035,792.10/153,380.92
  6. Step 6: Final answer
    x = 101,870.79

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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.