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Finding the Fourth Proportional to 168,370.50, 252,625 and 123,620.36

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Solution

The fourth proportional to 168,370.50, 252,625 and 123,620.36 is: 185,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,370.50 : 252,625 = 123,620.36 : x
  2. Step 2: Convert to fraction form
    168,370.50/252,625 = 123,620.36/x
  3. Step 3: Cross multiply
    168,370.50x = 252,625 × 123,620.36
  4. Step 4: Simplify right side
    168,370.50x = 31,229,593,445
  5. Step 5: Solve for x
    x = 31,229,593,445/168,370.50
  6. Step 6: Final answer
    x = 185,481.38

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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.