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Finding the Fourth Proportional to 168,537, 252,879.30 and 79,853.88

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Solution

The fourth proportional to 168,537, 252,879.30 and 79,853.88 is: 119,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,537 : 252,879.30 = 79,853.88 : x
  2. Step 2: Convert to fraction form
    168,537/252,879.30 = 79,853.88/x
  3. Step 3: Cross multiply
    168,537x = 252,879.30 × 79,853.88
  4. Step 4: Simplify right side
    168,537x = 20,193,393,276.68
  5. Step 5: Solve for x
    x = 20,193,393,276.68/168,537
  6. Step 6: Final answer
    x = 119,815.79

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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.