Home / 82,276.20-123,414.30-73,090.80

Finding the Fourth Proportional to 82,276.20, 123,414.30 and 73,090.80

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Solution

The fourth proportional to 82,276.20, 123,414.30 and 73,090.80 is: 109,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,276.20 : 123,414.30 = 73,090.80 : x
  2. Step 2: Convert to fraction form
    82,276.20/123,414.30 = 73,090.80/x
  3. Step 3: Cross multiply
    82,276.20x = 123,414.30 × 73,090.80
  4. Step 4: Simplify right side
    82,276.20x = 9,020,449,918.44
  5. Step 5: Solve for x
    x = 9,020,449,918.44/82,276.20
  6. Step 6: Final answer
    x = 109,636.20

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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.