Home / 87,955.56-131,951.84-28,786.64

Finding the Fourth Proportional to 87,955.56, 131,951.84 and 28,786.64

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Solution

The fourth proportional to 87,955.56, 131,951.84 and 28,786.64 is: 43,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,955.56 : 131,951.84 = 28,786.64 : x
  2. Step 2: Convert to fraction form
    87,955.56/131,951.84 = 28,786.64/x
  3. Step 3: Cross multiply
    87,955.56x = 131,951.84 × 28,786.64
  4. Step 4: Simplify right side
    87,955.56x = 3,798,450,115.42
  5. Step 5: Solve for x
    x = 3,798,450,115.42/87,955.56
  6. Step 6: Final answer
    x = 43,186.01

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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.