Home / 252,178.11-348,003.50-137,456.73

Finding the Fourth Proportional to 252,178.11, 348,003.50 and 137,456.73

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Solution

The fourth proportional to 252,178.11, 348,003.50 and 137,456.73 is: 189,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,178.11 : 348,003.50 = 137,456.73 : x
  2. Step 2: Convert to fraction form
    252,178.11/348,003.50 = 137,456.73/x
  3. Step 3: Cross multiply
    252,178.11x = 348,003.50 × 137,456.73
  4. Step 4: Simplify right side
    252,178.11x = 47,835,423,138.56
  5. Step 5: Solve for x
    x = 47,835,423,138.56/252,178.11
  6. Step 6: Final answer
    x = 189,689.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.