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Finding the Fourth Proportional to 168,206.45, 252,309.62 and 115,456.01

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Solution

The fourth proportional to 168,206.45, 252,309.62 and 115,456.01 is: 173,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,206.45 : 252,309.62 = 115,456.01 : x
  2. Step 2: Convert to fraction form
    168,206.45/252,309.62 = 115,456.01/x
  3. Step 3: Cross multiply
    168,206.45x = 252,309.62 × 115,456.01
  4. Step 4: Simplify right side
    168,206.45x = 29,130,660,170.99
  5. Step 5: Solve for x
    x = 29,130,660,170.99/168,206.45
  6. Step 6: Final answer
    x = 173,183.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.