Home / 251,016.28-346,406.72-137,849.56

Finding the Fourth Proportional to 251,016.28, 346,406.72 and 137,849.56

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Solution

The fourth proportional to 251,016.28, 346,406.72 and 137,849.56 is: 190,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,016.28 : 346,406.72 = 137,849.56 : x
  2. Step 2: Convert to fraction form
    251,016.28/346,406.72 = 137,849.56/x
  3. Step 3: Cross multiply
    251,016.28x = 346,406.72 × 137,849.56
  4. Step 4: Simplify right side
    251,016.28x = 47,752,013,933.04
  5. Step 5: Solve for x
    x = 47,752,013,933.04/251,016.28
  6. Step 6: Final answer
    x = 190,234.73

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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.