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Finding the Fourth Proportional to 89,198.44, 133,798.62 and 26,869.48

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Solution

The fourth proportional to 89,198.44, 133,798.62 and 26,869.48 is: 40,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,198.44 : 133,798.62 = 26,869.48 : x
  2. Step 2: Convert to fraction form
    89,198.44/133,798.62 = 26,869.48/x
  3. Step 3: Cross multiply
    89,198.44x = 133,798.62 × 26,869.48
  4. Step 4: Simplify right side
    89,198.44x = 3,595,099,344.12
  5. Step 5: Solve for x
    x = 3,595,099,344.12/89,198.44
  6. Step 6: Final answer
    x = 40,304.51

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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.