Home / 149,277.43-205,993.52-82,209.43

Finding the Fourth Proportional to 149,277.43, 205,993.52 and 82,209.43

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Solution

The fourth proportional to 149,277.43, 205,993.52 and 82,209.43 is: 113,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,277.43 : 205,993.52 = 82,209.43 : x
  2. Step 2: Convert to fraction form
    149,277.43/205,993.52 = 82,209.43/x
  3. Step 3: Cross multiply
    149,277.43x = 205,993.52 × 82,209.43
  4. Step 4: Simplify right side
    149,277.43x = 16,934,609,451.85
  5. Step 5: Solve for x
    x = 16,934,609,451.85/149,277.43
  6. Step 6: Final answer
    x = 113,443.87

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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.