Home / 238,559.82-329,213.28-131,140.86

Finding the Fourth Proportional to 238,559.82, 329,213.28 and 131,140.86

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Solution

The fourth proportional to 238,559.82, 329,213.28 and 131,140.86 is: 180,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,559.82 : 329,213.28 = 131,140.86 : x
  2. Step 2: Convert to fraction form
    238,559.82/329,213.28 = 131,140.86/x
  3. Step 3: Cross multiply
    238,559.82x = 329,213.28 × 131,140.86
  4. Step 4: Simplify right side
    238,559.82x = 43,173,312,662.62
  5. Step 5: Solve for x
    x = 43,173,312,662.62/238,559.82
  6. Step 6: Final answer
    x = 180,974.79

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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.