Home / 199,819.45-275,747.62-109,173.47

Finding the Fourth Proportional to 199,819.45, 275,747.62 and 109,173.47

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Solution

The fourth proportional to 199,819.45, 275,747.62 and 109,173.47 is: 150,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,819.45 : 275,747.62 = 109,173.47 : x
  2. Step 2: Convert to fraction form
    199,819.45/275,747.62 = 109,173.47/x
  3. Step 3: Cross multiply
    199,819.45x = 275,747.62 × 109,173.47
  4. Step 4: Simplify right side
    199,819.45x = 30,104,322,595.04
  5. Step 5: Solve for x
    x = 30,104,322,595.04/199,819.45
  6. Step 6: Final answer
    x = 150,657.62

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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.