Home / 146,821.40-220,232.10-132,824.60

Finding the Fourth Proportional to 146,821.40, 220,232.10 and 132,824.60

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Solution

The fourth proportional to 146,821.40, 220,232.10 and 132,824.60 is: 199,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,821.40 : 220,232.10 = 132,824.60 : x
  2. Step 2: Convert to fraction form
    146,821.40/220,232.10 = 132,824.60/x
  3. Step 3: Cross multiply
    146,821.40x = 220,232.10 × 132,824.60
  4. Step 4: Simplify right side
    146,821.40x = 29,252,240,589.66
  5. Step 5: Solve for x
    x = 29,252,240,589.66/146,821.40
  6. Step 6: Final answer
    x = 199,236.90

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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.