Home / 146,500.20-219,923.10-83,370.60

Finding the Fourth Proportional to 146,500.20, 219,923.10 and 83,370.60

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Solution

The fourth proportional to 146,500.20, 219,923.10 and 83,370.60 is: 125,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,500.20 : 219,923.10 = 83,370.60 : x
  2. Step 2: Convert to fraction form
    146,500.20/219,923.10 = 83,370.60/x
  3. Step 3: Cross multiply
    146,500.20x = 219,923.10 × 83,370.60
  4. Step 4: Simplify right side
    146,500.20x = 18,335,120,800.86
  5. Step 5: Solve for x
    x = 18,335,120,800.86/146,500.20
  6. Step 6: Final answer
    x = 125,154.24

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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.