Home / 168,757.39-253,136.33-68,917.59

Finding the Fourth Proportional to 168,757.39, 253,136.33 and 68,917.59

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Solution

The fourth proportional to 168,757.39, 253,136.33 and 68,917.59 is: 103,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,757.39 : 253,136.33 = 68,917.59 : x
  2. Step 2: Convert to fraction form
    168,757.39/253,136.33 = 68,917.59/x
  3. Step 3: Cross multiply
    168,757.39x = 253,136.33 × 68,917.59
  4. Step 4: Simplify right side
    168,757.39x = 17,445,546,106.56
  5. Step 5: Solve for x
    x = 17,445,546,106.56/168,757.39
  6. Step 6: Final answer
    x = 103,376.49

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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.