Home / 238,563.42-329,213.84-131,131.16

Finding the Fourth Proportional to 238,563.42, 329,213.84 and 131,131.16

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Solution

The fourth proportional to 238,563.42, 329,213.84 and 131,131.16 is: 180,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,563.42 : 329,213.84 = 131,131.16 : x
  2. Step 2: Convert to fraction form
    238,563.42/329,213.84 = 131,131.16/x
  3. Step 3: Cross multiply
    238,563.42x = 329,213.84 × 131,131.16
  4. Step 4: Simplify right side
    238,563.42x = 43,170,190,425.53
  5. Step 5: Solve for x
    x = 43,170,190,425.53/238,563.42
  6. Step 6: Final answer
    x = 180,958.97

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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.