Home / 178,071.20-267,006.95-121,974.65

Finding the Fourth Proportional to 178,071.20, 267,006.95 and 121,974.65

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Solution

The fourth proportional to 178,071.20, 267,006.95 and 121,974.65 is: 182,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,071.20 : 267,006.95 = 121,974.65 : x
  2. Step 2: Convert to fraction form
    178,071.20/267,006.95 = 121,974.65/x
  3. Step 3: Cross multiply
    178,071.20x = 267,006.95 × 121,974.65
  4. Step 4: Simplify right side
    178,071.20x = 32,568,079,273.82
  5. Step 5: Solve for x
    x = 32,568,079,273.82/178,071.20
  6. Step 6: Final answer
    x = 182,893.58

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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.