Home / 149,277.76-206,012.68-82,209.76

Finding the Fourth Proportional to 149,277.76, 206,012.68 and 82,209.76

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Solution

The fourth proportional to 149,277.76, 206,012.68 and 82,209.76 is: 113,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,277.76 : 206,012.68 = 82,209.76 : x
  2. Step 2: Convert to fraction form
    149,277.76/206,012.68 = 82,209.76/x
  3. Step 3: Cross multiply
    149,277.76x = 206,012.68 × 82,209.76
  4. Step 4: Simplify right side
    149,277.76x = 16,936,252,979.76
  5. Step 5: Solve for x
    x = 16,936,252,979.76/149,277.76
  6. Step 6: Final answer
    x = 113,454.63

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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.