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Finding the Fourth Proportional to 133,391.88, 200,087.82 and 50,266.44

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Solution

The fourth proportional to 133,391.88, 200,087.82 and 50,266.44 is: 75,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.88 : 200,087.82 = 50,266.44 : x
  2. Step 2: Convert to fraction form
    133,391.88/200,087.82 = 50,266.44/x
  3. Step 3: Cross multiply
    133,391.88x = 200,087.82 × 50,266.44
  4. Step 4: Simplify right side
    133,391.88x = 10,057,702,398.76
  5. Step 5: Solve for x
    x = 10,057,702,398.76/133,391.88
  6. Step 6: Final answer
    x = 75,399.66

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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.