Home / 87,774.28-131,355.18-71,794.60

Finding the Fourth Proportional to 87,774.28, 131,355.18 and 71,794.60

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Solution

The fourth proportional to 87,774.28, 131,355.18 and 71,794.60 is: 107,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,774.28 : 131,355.18 = 71,794.60 : x
  2. Step 2: Convert to fraction form
    87,774.28/131,355.18 = 71,794.60/x
  3. Step 3: Cross multiply
    87,774.28x = 131,355.18 × 71,794.60
  4. Step 4: Simplify right side
    87,774.28x = 9,430,592,606.03
  5. Step 5: Solve for x
    x = 9,430,592,606.03/87,774.28
  6. Step 6: Final answer
    x = 107,441.41

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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.