Home / 252,238.80-378,356.83-108,123.39

Finding the Fourth Proportional to 252,238.80, 378,356.83 and 108,123.39

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Solution

The fourth proportional to 252,238.80, 378,356.83 and 108,123.39 is: 162,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,238.80 : 378,356.83 = 108,123.39 : x
  2. Step 2: Convert to fraction form
    252,238.80/378,356.83 = 108,123.39/x
  3. Step 3: Cross multiply
    252,238.80x = 378,356.83 × 108,123.39
  4. Step 4: Simplify right side
    252,238.80x = 40,909,224,237.78
  5. Step 5: Solve for x
    x = 40,909,224,237.78/252,238.80
  6. Step 6: Final answer
    x = 162,184.50

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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.