Home / 135,738.84-187,324.61-82,013.48

Finding the Fourth Proportional to 135,738.84, 187,324.61 and 82,013.48

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Solution

The fourth proportional to 135,738.84, 187,324.61 and 82,013.48 is: 113,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,738.84 : 187,324.61 = 82,013.48 : x
  2. Step 2: Convert to fraction form
    135,738.84/187,324.61 = 82,013.48/x
  3. Step 3: Cross multiply
    135,738.84x = 187,324.61 × 82,013.48
  4. Step 4: Simplify right side
    135,738.84x = 15,363,142,972.85
  5. Step 5: Solve for x
    x = 15,363,142,972.85/135,738.84
  6. Step 6: Final answer
    x = 113,181.63

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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.