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Finding the Fourth Proportional to 167,145.62, 250,755.34 and 61,964.60

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Solution

The fourth proportional to 167,145.62, 250,755.34 and 61,964.60 is: 92,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,145.62 : 250,755.34 = 61,964.60 : x
  2. Step 2: Convert to fraction form
    167,145.62/250,755.34 = 61,964.60/x
  3. Step 3: Cross multiply
    167,145.62x = 250,755.34 × 61,964.60
  4. Step 4: Simplify right side
    167,145.62x = 15,537,952,932.28
  5. Step 5: Solve for x
    x = 15,537,952,932.28/167,145.62
  6. Step 6: Final answer
    x = 92,960.57

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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.