Home / 187,469.20-281,195.60-54,346.56

Finding the Fourth Proportional to 187,469.20, 281,195.60 and 54,346.56

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Solution

The fourth proportional to 187,469.20, 281,195.60 and 54,346.56 is: 81,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.20 : 281,195.60 = 54,346.56 : x
  2. Step 2: Convert to fraction form
    187,469.20/281,195.60 = 54,346.56/x
  3. Step 3: Cross multiply
    187,469.20x = 281,195.60 × 54,346.56
  4. Step 4: Simplify right side
    187,469.20x = 15,282,013,547.14
  5. Step 5: Solve for x
    x = 15,282,013,547.14/187,469.20
  6. Step 6: Final answer
    x = 81,517.46

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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.