Home / 178,042.49-267,062.90-72,861.47

Finding the Fourth Proportional to 178,042.49, 267,062.90 and 72,861.47

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Solution

The fourth proportional to 178,042.49, 267,062.90 and 72,861.47 is: 109,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,042.49 : 267,062.90 = 72,861.47 : x
  2. Step 2: Convert to fraction form
    178,042.49/267,062.90 = 72,861.47/x
  3. Step 3: Cross multiply
    178,042.49x = 267,062.90 × 72,861.47
  4. Step 4: Simplify right side
    178,042.49x = 19,458,595,476.46
  5. Step 5: Solve for x
    x = 19,458,595,476.46/178,042.49
  6. Step 6: Final answer
    x = 109,291.86

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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.