Home / 87,961.23-131,958.06-28,800.18

Finding the Fourth Proportional to 87,961.23, 131,958.06 and 28,800.18

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Solution

The fourth proportional to 87,961.23, 131,958.06 and 28,800.18 is: 43,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,961.23 : 131,958.06 = 28,800.18 : x
  2. Step 2: Convert to fraction form
    87,961.23/131,958.06 = 28,800.18/x
  3. Step 3: Cross multiply
    87,961.23x = 131,958.06 × 28,800.18
  4. Step 4: Simplify right side
    87,961.23x = 3,800,415,880.45
  5. Step 5: Solve for x
    x = 3,800,415,880.45/87,961.23
  6. Step 6: Final answer
    x = 43,205.58

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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.