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Finding the Fourth Proportional to 167,394.94, 251,091.03 and 67,553.60

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Solution

The fourth proportional to 167,394.94, 251,091.03 and 67,553.60 is: 101,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,394.94 : 251,091.03 = 67,553.60 : x
  2. Step 2: Convert to fraction form
    167,394.94/251,091.03 = 67,553.60/x
  3. Step 3: Cross multiply
    167,394.94x = 251,091.03 × 67,553.60
  4. Step 4: Simplify right side
    167,394.94x = 16,962,103,543.52
  5. Step 5: Solve for x
    x = 16,962,103,543.52/167,394.94
  6. Step 6: Final answer
    x = 101,329.85

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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.