Home / 295,076.20-442,614.30-81,843.70

Finding the Fourth Proportional to 295,076.20, 442,614.30 and 81,843.70

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Solution

The fourth proportional to 295,076.20, 442,614.30 and 81,843.70 is: 122,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,076.20 : 442,614.30 = 81,843.70 : x
  2. Step 2: Convert to fraction form
    295,076.20/442,614.30 = 81,843.70/x
  3. Step 3: Cross multiply
    295,076.20x = 442,614.30 × 81,843.70
  4. Step 4: Simplify right side
    295,076.20x = 36,225,191,984.91
  5. Step 5: Solve for x
    x = 36,225,191,984.91/295,076.20
  6. Step 6: Final answer
    x = 122,765.55

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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.