Home / 87,624.20-131,436.30-86,846.60

Finding the Fourth Proportional to 87,624.20, 131,436.30 and 86,846.60

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Solution

The fourth proportional to 87,624.20, 131,436.30 and 86,846.60 is: 130,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.20 : 131,436.30 = 86,846.60 : x
  2. Step 2: Convert to fraction form
    87,624.20/131,436.30 = 86,846.60/x
  3. Step 3: Cross multiply
    87,624.20x = 131,436.30 × 86,846.60
  4. Step 4: Simplify right side
    87,624.20x = 11,414,795,771.58
  5. Step 5: Solve for x
    x = 11,414,795,771.58/87,624.20
  6. Step 6: Final answer
    x = 130,269.90

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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.