Home / 187,171.52-258,266.82-106,600.55

Finding the Fourth Proportional to 187,171.52, 258,266.82 and 106,600.55

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Solution

The fourth proportional to 187,171.52, 258,266.82 and 106,600.55 is: 147,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,171.52 : 258,266.82 = 106,600.55 : x
  2. Step 2: Convert to fraction form
    187,171.52/258,266.82 = 106,600.55/x
  3. Step 3: Cross multiply
    187,171.52x = 258,266.82 × 106,600.55
  4. Step 4: Simplify right side
    187,171.52x = 27,531,383,767.42
  5. Step 5: Solve for x
    x = 27,531,383,767.42/187,171.52
  6. Step 6: Final answer
    x = 147,091.74

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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.