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Finding the Fourth Proportional to 225,906.40, 338,859.60 and 124,429.60

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Solution

The fourth proportional to 225,906.40, 338,859.60 and 124,429.60 is: 186,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,906.40 : 338,859.60 = 124,429.60 : x
  2. Step 2: Convert to fraction form
    225,906.40/338,859.60 = 124,429.60/x
  3. Step 3: Cross multiply
    225,906.40x = 338,859.60 × 124,429.60
  4. Step 4: Simplify right side
    225,906.40x = 42,164,164,484.16
  5. Step 5: Solve for x
    x = 42,164,164,484.16/225,906.40
  6. Step 6: Final answer
    x = 186,644.40

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