Home / 146,844.90-220,121.55-67,821.30

Finding the Fourth Proportional to 146,844.90, 220,121.55 and 67,821.30

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Solution

The fourth proportional to 146,844.90, 220,121.55 and 67,821.30 is: 101,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,844.90 : 220,121.55 = 67,821.30 : x
  2. Step 2: Convert to fraction form
    146,844.90/220,121.55 = 67,821.30/x
  3. Step 3: Cross multiply
    146,844.90x = 220,121.55 × 67,821.30
  4. Step 4: Simplify right side
    146,844.90x = 14,928,929,679.02
  5. Step 5: Solve for x
    x = 14,928,929,679.02/146,844.90
  6. Step 6: Final answer
    x = 101,664.61

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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.