Home / 239,379.83-330,344.08-131,951.66

Finding the Fourth Proportional to 239,379.83, 330,344.08 and 131,951.66

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Solution

The fourth proportional to 239,379.83, 330,344.08 and 131,951.66 is: 182,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,379.83 : 330,344.08 = 131,951.66 : x
  2. Step 2: Convert to fraction form
    239,379.83/330,344.08 = 131,951.66/x
  3. Step 3: Cross multiply
    239,379.83x = 330,344.08 × 131,951.66
  4. Step 4: Simplify right side
    239,379.83x = 43,589,448,487.80
  5. Step 5: Solve for x
    x = 43,589,448,487.80/239,379.83
  6. Step 6: Final answer
    x = 182,093.24

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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.