Home / 135,896.54-187,506.96-82,180.42

Finding the Fourth Proportional to 135,896.54, 187,506.96 and 82,180.42

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Solution

The fourth proportional to 135,896.54, 187,506.96 and 82,180.42 is: 113,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,896.54 : 187,506.96 = 82,180.42 : x
  2. Step 2: Convert to fraction form
    135,896.54/187,506.96 = 82,180.42/x
  3. Step 3: Cross multiply
    135,896.54x = 187,506.96 × 82,180.42
  4. Step 4: Simplify right side
    135,896.54x = 15,409,400,725.72
  5. Step 5: Solve for x
    x = 15,409,400,725.72/135,896.54
  6. Step 6: Final answer
    x = 113,390.68

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1.5x scale

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.