Home / 87,107.60-130,662.12-27,943.76

Finding the Fourth Proportional to 87,107.60, 130,662.12 and 27,943.76

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Solution

The fourth proportional to 87,107.60, 130,662.12 and 27,943.76 is: 41,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,107.60 : 130,662.12 = 27,943.76 : x
  2. Step 2: Convert to fraction form
    87,107.60/130,662.12 = 27,943.76/x
  3. Step 3: Cross multiply
    87,107.60x = 130,662.12 × 27,943.76
  4. Step 4: Simplify right side
    87,107.60x = 3,651,190,922.37
  5. Step 5: Solve for x
    x = 3,651,190,922.37/87,107.60
  6. Step 6: Final answer
    x = 41,915.87

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1.5x scale

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.