Home / 238,576.46-329,239.60-131,151.02

Finding the Fourth Proportional to 238,576.46, 329,239.60 and 131,151.02

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Solution

The fourth proportional to 238,576.46, 329,239.60 and 131,151.02 is: 180,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,576.46 : 329,239.60 = 131,151.02 : x
  2. Step 2: Convert to fraction form
    238,576.46/329,239.60 = 131,151.02/x
  3. Step 3: Cross multiply
    238,576.46x = 329,239.60 × 131,151.02
  4. Step 4: Simplify right side
    238,576.46x = 43,180,109,364.39
  5. Step 5: Solve for x
    x = 43,180,109,364.39/238,576.46
  6. Step 6: Final answer
    x = 180,990.65

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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.