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Finding the Fourth Proportional to 222,520.80, 307,073.52 and 121,916.64

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Solution

The fourth proportional to 222,520.80, 307,073.52 and 121,916.64 is: 168,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,520.80 : 307,073.52 = 121,916.64 : x
  2. Step 2: Convert to fraction form
    222,520.80/307,073.52 = 121,916.64/x
  3. Step 3: Cross multiply
    222,520.80x = 307,073.52 × 121,916.64
  4. Step 4: Simplify right side
    222,520.80x = 37,437,371,791.37
  5. Step 5: Solve for x
    x = 37,437,371,791.37/222,520.80
  6. Step 6: Final answer
    x = 168,242.12

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