Home / 252,198.12-378,387.54-108,043.47

Finding the Fourth Proportional to 252,198.12, 378,387.54 and 108,043.47

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Solution

The fourth proportional to 252,198.12, 378,387.54 and 108,043.47 is: 162,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,198.12 : 378,387.54 = 108,043.47 : x
  2. Step 2: Convert to fraction form
    252,198.12/378,387.54 = 108,043.47/x
  3. Step 3: Cross multiply
    252,198.12x = 378,387.54 × 108,043.47
  4. Step 4: Simplify right side
    252,198.12x = 40,882,302,826.36
  5. Step 5: Solve for x
    x = 40,882,302,826.36/252,198.12
  6. Step 6: Final answer
    x = 162,103.92

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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.