Home / 252,682.20-378,694.58-102,747.69

Finding the Fourth Proportional to 252,682.20, 378,694.58 and 102,747.69

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Solution

The fourth proportional to 252,682.20, 378,694.58 and 102,747.69 is: 153,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,682.20 : 378,694.58 = 102,747.69 : x
  2. Step 2: Convert to fraction form
    252,682.20/378,694.58 = 102,747.69/x
  3. Step 3: Cross multiply
    252,682.20x = 378,694.58 × 102,747.69
  4. Step 4: Simplify right side
    252,682.20x = 38,909,992,796.78
  5. Step 5: Solve for x
    x = 38,909,992,796.78/252,682.20
  6. Step 6: Final answer
    x = 153,987.87

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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.