Home / 87,286-130,934.40-24,961.36

Finding the Fourth Proportional to 87,286, 130,934.40 and 24,961.36

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Solution

The fourth proportional to 87,286, 130,934.40 and 24,961.36 is: 37,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,286 : 130,934.40 = 24,961.36 : x
  2. Step 2: Convert to fraction form
    87,286/130,934.40 = 24,961.36/x
  3. Step 3: Cross multiply
    87,286x = 130,934.40 × 24,961.36
  4. Step 4: Simplify right side
    87,286x = 3,268,300,694.78
  5. Step 5: Solve for x
    x = 3,268,300,694.78/87,286
  6. Step 6: Final answer
    x = 37,443.58

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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.