Home / 238,734-329,455.68-131,305.80

Finding the Fourth Proportional to 238,734, 329,455.68 and 131,305.80

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Solution

The fourth proportional to 238,734, 329,455.68 and 131,305.80 is: 181,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,734 : 329,455.68 = 131,305.80 : x
  2. Step 2: Convert to fraction form
    238,734/329,455.68 = 131,305.80/x
  3. Step 3: Cross multiply
    238,734x = 329,455.68 × 131,305.80
  4. Step 4: Simplify right side
    238,734x = 43,259,441,626.94
  5. Step 5: Solve for x
    x = 43,259,441,626.94/238,734
  6. Step 6: Final answer
    x = 181,203.52

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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.