Home / 178,082.20-267,036.90-99,112.60

Finding the Fourth Proportional to 178,082.20, 267,036.90 and 99,112.60

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Solution

The fourth proportional to 178,082.20, 267,036.90 and 99,112.60 is: 148,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,082.20 : 267,036.90 = 99,112.60 : x
  2. Step 2: Convert to fraction form
    178,082.20/267,036.90 = 99,112.60/x
  3. Step 3: Cross multiply
    178,082.20x = 267,036.90 × 99,112.60
  4. Step 4: Simplify right side
    178,082.20x = 26,466,721,454.94
  5. Step 5: Solve for x
    x = 26,466,721,454.94/178,082.20
  6. Step 6: Final answer
    x = 148,620.81

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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.