Home / 187,964.88-281,919.88-54,809.36

Finding the Fourth Proportional to 187,964.88, 281,919.88 and 54,809.36

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Solution

The fourth proportional to 187,964.88, 281,919.88 and 54,809.36 is: 82,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,964.88 : 281,919.88 = 54,809.36 : x
  2. Step 2: Convert to fraction form
    187,964.88/281,919.88 = 54,809.36/x
  3. Step 3: Cross multiply
    187,964.88x = 281,919.88 × 54,809.36
  4. Step 4: Simplify right side
    187,964.88x = 15,451,848,194.08
  5. Step 5: Solve for x
    x = 15,451,848,194.08/187,964.88
  6. Step 6: Final answer
    x = 82,206.04

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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.