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Finding the Fourth Proportional to 133,863.66, 200,754.54 and 45,093.36

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Solution

The fourth proportional to 133,863.66, 200,754.54 and 45,093.36 is: 67,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,863.66 : 200,754.54 = 45,093.36 : x
  2. Step 2: Convert to fraction form
    133,863.66/200,754.54 = 45,093.36/x
  3. Step 3: Cross multiply
    133,863.66x = 200,754.54 × 45,093.36
  4. Step 4: Simplify right side
    133,863.66x = 9,052,696,743.85
  5. Step 5: Solve for x
    x = 9,052,696,743.85/133,863.66
  6. Step 6: Final answer
    x = 67,626.25

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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.