Home / 168,767.20-252,810.60-105,392.80

Finding the Fourth Proportional to 168,767.20, 252,810.60 and 105,392.80

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Solution

The fourth proportional to 168,767.20, 252,810.60 and 105,392.80 is: 157,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,767.20 : 252,810.60 = 105,392.80 : x
  2. Step 2: Convert to fraction form
    168,767.20/252,810.60 = 105,392.80/x
  3. Step 3: Cross multiply
    168,767.20x = 252,810.60 × 105,392.80
  4. Step 4: Simplify right side
    168,767.20x = 26,644,417,003.68
  5. Step 5: Solve for x
    x = 26,644,417,003.68/168,767.20
  6. Step 6: Final answer
    x = 157,876.75

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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.