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Finding the Fourth Proportional to 168,183.66, 252,270 and 68,314.30

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Solution

The fourth proportional to 168,183.66, 252,270 and 68,314.30 is: 102,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,183.66 : 252,270 = 68,314.30 : x
  2. Step 2: Convert to fraction form
    168,183.66/252,270 = 68,314.30/x
  3. Step 3: Cross multiply
    168,183.66x = 252,270 × 68,314.30
  4. Step 4: Simplify right side
    168,183.66x = 17,233,648,461
  5. Step 5: Solve for x
    x = 17,233,648,461/168,183.66
  6. Step 6: Final answer
    x = 102,469.22

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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.