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Finding the Fourth Proportional to 484,172.34, 726,258.58 and 129,187.68

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Solution

The fourth proportional to 484,172.34, 726,258.58 and 129,187.68 is: 193,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,172.34 : 726,258.58 = 129,187.68 : x
  2. Step 2: Convert to fraction form
    484,172.34/726,258.58 = 129,187.68/x
  3. Step 3: Cross multiply
    484,172.34x = 726,258.58 × 129,187.68
  4. Step 4: Simplify right side
    484,172.34x = 93,823,661,030.29
  5. Step 5: Solve for x
    x = 93,823,661,030.29/484,172.34
  6. Step 6: Final answer
    x = 193,781.54

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