Home / 239,379.96-330,344.26-131,951.78

Finding the Fourth Proportional to 239,379.96, 330,344.26 and 131,951.78

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Solution

The fourth proportional to 239,379.96, 330,344.26 and 131,951.78 is: 182,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,379.96 : 330,344.26 = 131,951.78 : x
  2. Step 2: Convert to fraction form
    239,379.96/330,344.26 = 131,951.78/x
  3. Step 3: Cross multiply
    239,379.96x = 330,344.26 × 131,951.78
  4. Step 4: Simplify right side
    239,379.96x = 43,589,514,791.83
  5. Step 5: Solve for x
    x = 43,589,514,791.83/239,379.96
  6. Step 6: Final answer
    x = 182,093.42

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1.5x scale

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.