Home / 187,432.28-258,650.11-106,885.73

Finding the Fourth Proportional to 187,432.28, 258,650.11 and 106,885.73

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Solution

The fourth proportional to 187,432.28, 258,650.11 and 106,885.73 is: 147,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,432.28 : 258,650.11 = 106,885.73 : x
  2. Step 2: Convert to fraction form
    187,432.28/258,650.11 = 106,885.73/x
  3. Step 3: Cross multiply
    187,432.28x = 258,650.11 × 106,885.73
  4. Step 4: Simplify right side
    187,432.28x = 27,646,005,147.26
  5. Step 5: Solve for x
    x = 27,646,005,147.26/187,432.28
  6. Step 6: Final answer
    x = 147,498.63

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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.