Home / 199,819.60-275,747.79-109,173.61

Finding the Fourth Proportional to 199,819.60, 275,747.79 and 109,173.61

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Solution

The fourth proportional to 199,819.60, 275,747.79 and 109,173.61 is: 150,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,819.60 : 275,747.79 = 109,173.61 : x
  2. Step 2: Convert to fraction form
    199,819.60/275,747.79 = 109,173.61/x
  3. Step 3: Cross multiply
    199,819.60x = 275,747.79 × 109,173.61
  4. Step 4: Simplify right side
    199,819.60x = 30,104,381,877.62
  5. Step 5: Solve for x
    x = 30,104,381,877.62/199,819.60
  6. Step 6: Final answer
    x = 150,657.80

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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.