Home / 136,112.04-187,784.82-82,377.48

Finding the Fourth Proportional to 136,112.04, 187,784.82 and 82,377.48

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Solution

The fourth proportional to 136,112.04, 187,784.82 and 82,377.48 is: 113,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,112.04 : 187,784.82 = 82,377.48 : x
  2. Step 2: Convert to fraction form
    136,112.04/187,784.82 = 82,377.48/x
  3. Step 3: Cross multiply
    136,112.04x = 187,784.82 × 82,377.48
  4. Step 4: Simplify right side
    136,112.04x = 15,469,240,253.85
  5. Step 5: Solve for x
    x = 15,469,240,253.85/136,112.04
  6. Step 6: Final answer
    x = 113,650.79

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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.