Home / 267,979.41-369,819.60-147,128.85

Finding the Fourth Proportional to 267,979.41, 369,819.60 and 147,128.85

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Solution

The fourth proportional to 267,979.41, 369,819.60 and 147,128.85 is: 203,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,979.41 : 369,819.60 = 147,128.85 : x
  2. Step 2: Convert to fraction form
    267,979.41/369,819.60 = 147,128.85/x
  3. Step 3: Cross multiply
    267,979.41x = 369,819.60 × 147,128.85
  4. Step 4: Simplify right side
    267,979.41x = 54,411,132,455.46
  5. Step 5: Solve for x
    x = 54,411,132,455.46/267,979.41
  6. Step 6: Final answer
    x = 203,042.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.