Home / 87,104.70-130,326.62-51,585.03

Finding the Fourth Proportional to 87,104.70, 130,326.62 and 51,585.03

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Solution

The fourth proportional to 87,104.70, 130,326.62 and 51,585.03 is: 77,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,104.70 : 130,326.62 = 51,585.03 : x
  2. Step 2: Convert to fraction form
    87,104.70/130,326.62 = 51,585.03/x
  3. Step 3: Cross multiply
    87,104.70x = 130,326.62 × 51,585.03
  4. Step 4: Simplify right side
    87,104.70x = 6,722,902,344.57
  5. Step 5: Solve for x
    x = 6,722,902,344.57/87,104.70
  6. Step 6: Final answer
    x = 77,181.86

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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.