Home / 178,470.68-267,535.33-66,120.73

Finding the Fourth Proportional to 178,470.68, 267,535.33 and 66,120.73

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Solution

The fourth proportional to 178,470.68, 267,535.33 and 66,120.73 is: 99,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,470.68 : 267,535.33 = 66,120.73 : x
  2. Step 2: Convert to fraction form
    178,470.68/267,535.33 = 66,120.73/x
  3. Step 3: Cross multiply
    178,470.68x = 267,535.33 × 66,120.73
  4. Step 4: Simplify right side
    178,470.68x = 17,689,630,486.25
  5. Step 5: Solve for x
    x = 17,689,630,486.25/178,470.68
  6. Step 6: Final answer
    x = 99,117.85

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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.