Home / 178,715.42-267,994.40-83,972.55

Finding the Fourth Proportional to 178,715.42, 267,994.40 and 83,972.55

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Solution

The fourth proportional to 178,715.42, 267,994.40 and 83,972.55 is: 125,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,715.42 : 267,994.40 = 83,972.55 : x
  2. Step 2: Convert to fraction form
    178,715.42/267,994.40 = 83,972.55/x
  3. Step 3: Cross multiply
    178,715.42x = 267,994.40 × 83,972.55
  4. Step 4: Simplify right side
    178,715.42x = 22,504,173,153.72
  5. Step 5: Solve for x
    x = 22,504,173,153.72/178,715.42
  6. Step 6: Final answer
    x = 125,921.83

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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.