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Finding the Fourth Proportional to 206,887.50, 285,505.02 and 117,463.50

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Solution

The fourth proportional to 206,887.50, 285,505.02 and 117,463.50 is: 162,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,887.50 : 285,505.02 = 117,463.50 : x
  2. Step 2: Convert to fraction form
    206,887.50/285,505.02 = 117,463.50/x
  3. Step 3: Cross multiply
    206,887.50x = 285,505.02 × 117,463.50
  4. Step 4: Simplify right side
    206,887.50x = 33,536,418,916.77
  5. Step 5: Solve for x
    x = 33,536,418,916.77/206,887.50
  6. Step 6: Final answer
    x = 162,099.78

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