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Finding the Fourth Proportional to 217,428.05, 300,053.19 and 120,633.69

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Solution

The fourth proportional to 217,428.05, 300,053.19 and 120,633.69 is: 166,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,428.05 : 300,053.19 = 120,633.69 : x
  2. Step 2: Convert to fraction form
    217,428.05/300,053.19 = 120,633.69/x
  3. Step 3: Cross multiply
    217,428.05x = 300,053.19 × 120,633.69
  4. Step 4: Simplify right side
    217,428.05x = 36,196,523,505.97
  5. Step 5: Solve for x
    x = 36,196,523,505.97/217,428.05
  6. Step 6: Final answer
    x = 166,475.87

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