Home / 87,932.35-131,910.83-28,756.23

Finding the Fourth Proportional to 87,932.35, 131,910.83 and 28,756.23

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Solution

The fourth proportional to 87,932.35, 131,910.83 and 28,756.23 is: 43,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,932.35 : 131,910.83 = 28,756.23 : x
  2. Step 2: Convert to fraction form
    87,932.35/131,910.83 = 28,756.23/x
  3. Step 3: Cross multiply
    87,932.35x = 131,910.83 × 28,756.23
  4. Step 4: Simplify right side
    87,932.35x = 3,793,258,378.36
  5. Step 5: Solve for x
    x = 3,793,258,378.36/87,932.35
  6. Step 6: Final answer
    x = 43,138.37

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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.