Home / 146,998.20-220,764.60-87,949.20

Finding the Fourth Proportional to 146,998.20, 220,764.60 and 87,949.20

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Solution

The fourth proportional to 146,998.20, 220,764.60 and 87,949.20 is: 132,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,998.20 : 220,764.60 = 87,949.20 : x
  2. Step 2: Convert to fraction form
    146,998.20/220,764.60 = 87,949.20/x
  3. Step 3: Cross multiply
    146,998.20x = 220,764.60 × 87,949.20
  4. Step 4: Simplify right side
    146,998.20x = 19,416,069,958.32
  5. Step 5: Solve for x
    x = 19,416,069,958.32/146,998.20
  6. Step 6: Final answer
    x = 132,083.73

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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.