Home / 87,140.24-130,716.29-27,972.33

Finding the Fourth Proportional to 87,140.24, 130,716.29 and 27,972.33

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Solution

The fourth proportional to 87,140.24, 130,716.29 and 27,972.33 is: 41,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,140.24 : 130,716.29 = 27,972.33 : x
  2. Step 2: Convert to fraction form
    87,140.24/130,716.29 = 27,972.33/x
  3. Step 3: Cross multiply
    87,140.24x = 130,716.29 × 27,972.33
  4. Step 4: Simplify right side
    87,140.24x = 3,656,439,200.26
  5. Step 5: Solve for x
    x = 3,656,439,200.26/87,140.24
  6. Step 6: Final answer
    x = 41,960.40

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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.