Home / 136,046.67-187,715.60-82,321.23

Finding the Fourth Proportional to 136,046.67, 187,715.60 and 82,321.23

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Solution

The fourth proportional to 136,046.67, 187,715.60 and 82,321.23 is: 113,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046.67 : 187,715.60 = 82,321.23 : x
  2. Step 2: Convert to fraction form
    136,046.67/187,715.60 = 82,321.23/x
  3. Step 3: Cross multiply
    136,046.67x = 187,715.60 × 82,321.23
  4. Step 4: Simplify right side
    136,046.67x = 15,452,978,670.58
  5. Step 5: Solve for x
    x = 15,452,978,670.58/136,046.67
  6. Step 6: Final answer
    x = 113,585.86

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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.