Home / 87,618.89-131,423.61-50,155.58

Finding the Fourth Proportional to 87,618.89, 131,423.61 and 50,155.58

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Solution

The fourth proportional to 87,618.89, 131,423.61 and 50,155.58 is: 75,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,618.89 : 131,423.61 = 50,155.58 : x
  2. Step 2: Convert to fraction form
    87,618.89/131,423.61 = 50,155.58/x
  3. Step 3: Cross multiply
    87,618.89x = 131,423.61 × 50,155.58
  4. Step 4: Simplify right side
    87,618.89x = 6,591,627,385.24
  5. Step 5: Solve for x
    x = 6,591,627,385.24/87,618.89
  6. Step 6: Final answer
    x = 75,230.67

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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.