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Finding the Fourth Proportional to 182,143.80, 251,359.56 and 101,576.44

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Solution

The fourth proportional to 182,143.80, 251,359.56 and 101,576.44 is: 140,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,143.80 : 251,359.56 = 101,576.44 : x
  2. Step 2: Convert to fraction form
    182,143.80/251,359.56 = 101,576.44/x
  3. Step 3: Cross multiply
    182,143.80x = 251,359.56 × 101,576.44
  4. Step 4: Simplify right side
    182,143.80x = 25,532,209,578.97
  5. Step 5: Solve for x
    x = 25,532,209,578.97/182,143.80
  6. Step 6: Final answer
    x = 140,176.11

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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.