Home / 146,514.20-219,944.10-83,384.60

Finding the Fourth Proportional to 146,514.20, 219,944.10 and 83,384.60

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Solution

The fourth proportional to 146,514.20, 219,944.10 and 83,384.60 is: 125,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,514.20 : 219,944.10 = 83,384.60 : x
  2. Step 2: Convert to fraction form
    146,514.20/219,944.10 = 83,384.60/x
  3. Step 3: Cross multiply
    146,514.20x = 219,944.10 × 83,384.60
  4. Step 4: Simplify right side
    146,514.20x = 18,339,950,800.86
  5. Step 5: Solve for x
    x = 18,339,950,800.86/146,514.20
  6. Step 6: Final answer
    x = 125,175.24

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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.