Home / 199,550.22-275,378.18-108,905.90

Finding the Fourth Proportional to 199,550.22, 275,378.18 and 108,905.90

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Solution

The fourth proportional to 199,550.22, 275,378.18 and 108,905.90 is: 150,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,550.22 : 275,378.18 = 108,905.90 : x
  2. Step 2: Convert to fraction form
    199,550.22/275,378.18 = 108,905.90/x
  3. Step 3: Cross multiply
    199,550.22x = 275,378.18 × 108,905.90
  4. Step 4: Simplify right side
    199,550.22x = 29,990,306,611.84
  5. Step 5: Solve for x
    x = 29,990,306,611.84/199,550.22
  6. Step 6: Final answer
    x = 150,289.52

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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.