Home / 187,728.22-281,592.16-75,408.46

Finding the Fourth Proportional to 187,728.22, 281,592.16 and 75,408.46

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Solution

The fourth proportional to 187,728.22, 281,592.16 and 75,408.46 is: 113,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,728.22 : 281,592.16 = 75,408.46 : x
  2. Step 2: Convert to fraction form
    187,728.22/281,592.16 = 75,408.46/x
  3. Step 3: Cross multiply
    187,728.22x = 281,592.16 × 75,408.46
  4. Step 4: Simplify right side
    187,728.22x = 21,234,431,133.67
  5. Step 5: Solve for x
    x = 21,234,431,133.67/187,728.22
  6. Step 6: Final answer
    x = 113,112.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.