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Finding the Fourth Proportional to 168,382.71, 252,615.65 and 50,053.55

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Solution

The fourth proportional to 168,382.71, 252,615.65 and 50,053.55 is: 75,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,382.71 : 252,615.65 = 50,053.55 : x
  2. Step 2: Convert to fraction form
    168,382.71/252,615.65 = 50,053.55/x
  3. Step 3: Cross multiply
    168,382.71x = 252,615.65 × 50,053.55
  4. Step 4: Simplify right side
    168,382.71x = 12,644,308,554.71
  5. Step 5: Solve for x
    x = 12,644,308,554.71/168,382.71
  6. Step 6: Final answer
    x = 75,092.68

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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.