Home / 238,808.53-329,550.96-131,375.80

Finding the Fourth Proportional to 238,808.53, 329,550.96 and 131,375.80

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Solution

The fourth proportional to 238,808.53, 329,550.96 and 131,375.80 is: 181,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,808.53 : 329,550.96 = 131,375.80 : x
  2. Step 2: Convert to fraction form
    238,808.53/329,550.96 = 131,375.80/x
  3. Step 3: Cross multiply
    238,808.53x = 329,550.96 × 131,375.80
  4. Step 4: Simplify right side
    238,808.53x = 43,295,021,010.77
  5. Step 5: Solve for x
    x = 43,295,021,010.77/238,808.53
  6. Step 6: Final answer
    x = 181,295.96

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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.