Home / 187,431.20-281,211.60-180,951.20

Finding the Fourth Proportional to 187,431.20, 281,211.60 and 180,951.20

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Solution

The fourth proportional to 187,431.20, 281,211.60 and 180,951.20 is: 271,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,431.20 : 281,211.60 = 180,951.20 : x
  2. Step 2: Convert to fraction form
    187,431.20/281,211.60 = 180,951.20/x
  3. Step 3: Cross multiply
    187,431.20x = 281,211.60 × 180,951.20
  4. Step 4: Simplify right side
    187,431.20x = 50,885,576,473.92
  5. Step 5: Solve for x
    x = 50,885,576,473.92/187,431.20
  6. Step 6: Final answer
    x = 271,489.36

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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.