Home / 178,002.66-267,003.27-72,821.55

Finding the Fourth Proportional to 178,002.66, 267,003.27 and 72,821.55

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Solution

The fourth proportional to 178,002.66, 267,003.27 and 72,821.55 is: 109,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,002.66 : 267,003.27 = 72,821.55 : x
  2. Step 2: Convert to fraction form
    178,002.66/267,003.27 = 72,821.55/x
  3. Step 3: Cross multiply
    178,002.66x = 267,003.27 × 72,821.55
  4. Step 4: Simplify right side
    178,002.66x = 19,443,591,976.47
  5. Step 5: Solve for x
    x = 19,443,591,976.47/178,002.66
  6. Step 6: Final answer
    x = 109,232.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.