Home / 252,238.92-378,357.02-108,123.52

Finding the Fourth Proportional to 252,238.92, 378,357.02 and 108,123.52

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Solution

The fourth proportional to 252,238.92, 378,357.02 and 108,123.52 is: 162,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,238.92 : 378,357.02 = 108,123.52 : x
  2. Step 2: Convert to fraction form
    252,238.92/378,357.02 = 108,123.52/x
  3. Step 3: Cross multiply
    252,238.92x = 378,357.02 × 108,123.52
  4. Step 4: Simplify right side
    252,238.92x = 40,909,292,278.49
  5. Step 5: Solve for x
    x = 40,909,292,278.49/252,238.92
  6. Step 6: Final answer
    x = 162,184.69

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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.