Home / 199,819.39-275,747.52-109,173.41

Finding the Fourth Proportional to 199,819.39, 275,747.52 and 109,173.41

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Solution

The fourth proportional to 199,819.39, 275,747.52 and 109,173.41 is: 150,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,819.39 : 275,747.52 = 109,173.41 : x
  2. Step 2: Convert to fraction form
    199,819.39/275,747.52 = 109,173.41/x
  3. Step 3: Cross multiply
    199,819.39x = 275,747.52 × 109,173.41
  4. Step 4: Simplify right side
    199,819.39x = 30,104,297,057.44
  5. Step 5: Solve for x
    x = 30,104,297,057.44/199,819.39
  6. Step 6: Final answer
    x = 150,657.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.