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Finding the Fourth Proportional to 224,086.28, 309,235.10 and 122,112.64

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Solution

The fourth proportional to 224,086.28, 309,235.10 and 122,112.64 is: 168,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,086.28 : 309,235.10 = 122,112.64 : x
  2. Step 2: Convert to fraction form
    224,086.28/309,235.10 = 122,112.64/x
  3. Step 3: Cross multiply
    224,086.28x = 309,235.10 × 122,112.64
  4. Step 4: Simplify right side
    224,086.28x = 37,761,514,441.66
  5. Step 5: Solve for x
    x = 37,761,514,441.66/224,086.28
  6. Step 6: Final answer
    x = 168,513.28

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