Home / 146,860.60-220,137.30-80,198.20

Finding the Fourth Proportional to 146,860.60, 220,137.30 and 80,198.20

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Solution

The fourth proportional to 146,860.60, 220,137.30 and 80,198.20 is: 120,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,860.60 : 220,137.30 = 80,198.20 : x
  2. Step 2: Convert to fraction form
    146,860.60/220,137.30 = 80,198.20/x
  3. Step 3: Cross multiply
    146,860.60x = 220,137.30 × 80,198.20
  4. Step 4: Simplify right side
    146,860.60x = 17,654,615,212.86
  5. Step 5: Solve for x
    x = 17,654,615,212.86/146,860.60
  6. Step 6: Final answer
    x = 120,213.42

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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.