Home / 87,542.70-131,355.06-43,145.23

Finding the Fourth Proportional to 87,542.70, 131,355.06 and 43,145.23

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Solution

The fourth proportional to 87,542.70, 131,355.06 and 43,145.23 is: 64,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,542.70 : 131,355.06 = 43,145.23 : x
  2. Step 2: Convert to fraction form
    87,542.70/131,355.06 = 43,145.23/x
  3. Step 3: Cross multiply
    87,542.70x = 131,355.06 × 43,145.23
  4. Step 4: Simplify right side
    87,542.70x = 5,667,344,522.25
  5. Step 5: Solve for x
    x = 5,667,344,522.25/87,542.70
  6. Step 6: Final answer
    x = 64,738.06

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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.