Home / 136,046.92-187,715.94-82,321.48

Finding the Fourth Proportional to 136,046.92, 187,715.94 and 82,321.48

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Solution

The fourth proportional to 136,046.92, 187,715.94 and 82,321.48 is: 113,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046.92 : 187,715.94 = 82,321.48 : x
  2. Step 2: Convert to fraction form
    136,046.92/187,715.94 = 82,321.48/x
  3. Step 3: Cross multiply
    136,046.92x = 187,715.94 × 82,321.48
  4. Step 4: Simplify right side
    136,046.92x = 15,453,054,000.39
  5. Step 5: Solve for x
    x = 15,453,054,000.39/136,046.92
  6. Step 6: Final answer
    x = 113,586.21

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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.