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Finding the Fourth Proportional to 133,338.44, 200,007.86 and 54,452.67

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Solution

The fourth proportional to 133,338.44, 200,007.86 and 54,452.67 is: 81,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.44 : 200,007.86 = 54,452.67 : x
  2. Step 2: Convert to fraction form
    133,338.44/200,007.86 = 54,452.67/x
  3. Step 3: Cross multiply
    133,338.44x = 200,007.86 × 54,452.67
  4. Step 4: Simplify right side
    133,338.44x = 10,890,961,997.99
  5. Step 5: Solve for x
    x = 10,890,961,997.99/133,338.44
  6. Step 6: Final answer
    x = 81,679.09

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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.