Home / 146,721.60-220,552.20-136,321.20

Finding the Fourth Proportional to 146,721.60, 220,552.20 and 136,321.20

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Solution

The fourth proportional to 146,721.60, 220,552.20 and 136,321.20 is: 204,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.60 : 220,552.20 = 136,321.20 : x
  2. Step 2: Convert to fraction form
    146,721.60/220,552.20 = 136,321.20/x
  3. Step 3: Cross multiply
    146,721.60x = 220,552.20 × 136,321.20
  4. Step 4: Simplify right side
    146,721.60x = 30,065,940,566.64
  5. Step 5: Solve for x
    x = 30,065,940,566.64/146,721.60
  6. Step 6: Final answer
    x = 204,918.30

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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.