Home / 238,670.28-329,361.96-131,239.44

Finding the Fourth Proportional to 238,670.28, 329,361.96 and 131,239.44

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Solution

The fourth proportional to 238,670.28, 329,361.96 and 131,239.44 is: 181,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,670.28 : 329,361.96 = 131,239.44 : x
  2. Step 2: Convert to fraction form
    238,670.28/329,361.96 = 131,239.44/x
  3. Step 3: Cross multiply
    238,670.28x = 329,361.96 × 131,239.44
  4. Step 4: Simplify right side
    238,670.28x = 43,225,279,187.70
  5. Step 5: Solve for x
    x = 43,225,279,187.70/238,670.28
  6. Step 6: Final answer
    x = 181,108.76

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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.