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Finding the Fourth Proportional to 167,468.20, 251,202.30 and 148,805.80

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Solution

The fourth proportional to 167,468.20, 251,202.30 and 148,805.80 is: 223,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,468.20 : 251,202.30 = 148,805.80 : x
  2. Step 2: Convert to fraction form
    167,468.20/251,202.30 = 148,805.80/x
  3. Step 3: Cross multiply
    167,468.20x = 251,202.30 × 148,805.80
  4. Step 4: Simplify right side
    167,468.20x = 37,380,359,213.34
  5. Step 5: Solve for x
    x = 37,380,359,213.34/167,468.20
  6. Step 6: Final answer
    x = 223,208.70

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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.