Home / 199,819.83-275,748.10-109,173.84

Finding the Fourth Proportional to 199,819.83, 275,748.10 and 109,173.84

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Solution

The fourth proportional to 199,819.83, 275,748.10 and 109,173.84 is: 150,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,819.83 : 275,748.10 = 109,173.84 : x
  2. Step 2: Convert to fraction form
    199,819.83/275,748.10 = 109,173.84/x
  3. Step 3: Cross multiply
    199,819.83x = 275,748.10 × 109,173.84
  4. Step 4: Simplify right side
    199,819.83x = 30,104,478,949.70
  5. Step 5: Solve for x
    x = 30,104,478,949.70/199,819.83
  6. Step 6: Final answer
    x = 150,658.12

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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.