Home / 199,741.20-275,645.10-109,099.86

Finding the Fourth Proportional to 199,741.20, 275,645.10 and 109,099.86

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Solution

The fourth proportional to 199,741.20, 275,645.10 and 109,099.86 is: 150,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,741.20 : 275,645.10 = 109,099.86 : x
  2. Step 2: Convert to fraction form
    199,741.20/275,645.10 = 109,099.86/x
  3. Step 3: Cross multiply
    199,741.20x = 275,645.10 × 109,099.86
  4. Step 4: Simplify right side
    199,741.20x = 30,072,841,819.69
  5. Step 5: Solve for x
    x = 30,072,841,819.69/199,741.20
  6. Step 6: Final answer
    x = 150,559.03

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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.