Home / 238,709.73-329,412.85-131,279.75

Finding the Fourth Proportional to 238,709.73, 329,412.85 and 131,279.75

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Solution

The fourth proportional to 238,709.73, 329,412.85 and 131,279.75 is: 181,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,709.73 : 329,412.85 = 131,279.75 : x
  2. Step 2: Convert to fraction form
    238,709.73/329,412.85 = 131,279.75/x
  3. Step 3: Cross multiply
    238,709.73x = 329,412.85 × 131,279.75
  4. Step 4: Simplify right side
    238,709.73x = 43,245,236,594.79
  5. Step 5: Solve for x
    x = 43,245,236,594.79/238,709.73
  6. Step 6: Final answer
    x = 181,162.44

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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.