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Finding the Fourth Proportional to 167,684.62, 251,473.56 and 55,343.92

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Solution

The fourth proportional to 167,684.62, 251,473.56 and 55,343.92 is: 82,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,684.62 : 251,473.56 = 55,343.92 : x
  2. Step 2: Convert to fraction form
    167,684.62/251,473.56 = 55,343.92/x
  3. Step 3: Cross multiply
    167,684.62x = 251,473.56 × 55,343.92
  4. Step 4: Simplify right side
    167,684.62x = 13,917,532,586.76
  5. Step 5: Solve for x
    x = 13,917,532,586.76/167,684.62
  6. Step 6: Final answer
    x = 82,998.27

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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.