Home / 199,414.76-275,193.20-108,772.67

Finding the Fourth Proportional to 199,414.76, 275,193.20 and 108,772.67

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Solution

The fourth proportional to 199,414.76, 275,193.20 and 108,772.67 is: 150,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,414.76 : 275,193.20 = 108,772.67 : x
  2. Step 2: Convert to fraction form
    199,414.76/275,193.20 = 108,772.67/x
  3. Step 3: Cross multiply
    199,414.76x = 275,193.20 × 108,772.67
  4. Step 4: Simplify right side
    199,414.76x = 29,933,498,025.81
  5. Step 5: Solve for x
    x = 29,933,498,025.81/199,414.76
  6. Step 6: Final answer
    x = 150,106.74

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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.