Home / 89,846.20-134,769.30-82,847.80

Finding the Fourth Proportional to 89,846.20, 134,769.30 and 82,847.80

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Solution

The fourth proportional to 89,846.20, 134,769.30 and 82,847.80 is: 124,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,846.20 : 134,769.30 = 82,847.80 : x
  2. Step 2: Convert to fraction form
    89,846.20/134,769.30 = 82,847.80/x
  3. Step 3: Cross multiply
    89,846.20x = 134,769.30 × 82,847.80
  4. Step 4: Simplify right side
    89,846.20x = 11,165,340,012.54
  5. Step 5: Solve for x
    x = 11,165,340,012.54/89,846.20
  6. Step 6: Final answer
    x = 124,271.70

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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.