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Finding the Fourth Proportional to 229,971.36, 317,360.32 and 129,369.36

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Solution

The fourth proportional to 229,971.36, 317,360.32 and 129,369.36 is: 178,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,971.36 : 317,360.32 = 129,369.36 : x
  2. Step 2: Convert to fraction form
    229,971.36/317,360.32 = 129,369.36/x
  3. Step 3: Cross multiply
    229,971.36x = 317,360.32 × 129,369.36
  4. Step 4: Simplify right side
    229,971.36x = 41,056,701,487.80
  5. Step 5: Solve for x
    x = 41,056,701,487.80/229,971.36
  6. Step 6: Final answer
    x = 178,529.63

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