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Finding the Fourth Proportional to 171,861.86, 237,197.88 and 100,241.89

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Solution

The fourth proportional to 171,861.86, 237,197.88 and 100,241.89 is: 138,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,861.86 : 237,197.88 = 100,241.89 : x
  2. Step 2: Convert to fraction form
    171,861.86/237,197.88 = 100,241.89/x
  3. Step 3: Cross multiply
    171,861.86x = 237,197.88 × 100,241.89
  4. Step 4: Simplify right side
    171,861.86x = 23,777,163,202.20
  5. Step 5: Solve for x
    x = 23,777,163,202.20/171,861.86
  6. Step 6: Final answer
    x = 138,350.43

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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.