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Finding the Fourth Proportional to 268,395.52, 402,593.39 and 126,136.39

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Solution

The fourth proportional to 268,395.52, 402,593.39 and 126,136.39 is: 189,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,395.52 : 402,593.39 = 126,136.39 : x
  2. Step 2: Convert to fraction form
    268,395.52/402,593.39 = 126,136.39/x
  3. Step 3: Cross multiply
    268,395.52x = 402,593.39 × 126,136.39
  4. Step 4: Simplify right side
    268,395.52x = 50,781,674,208.81
  5. Step 5: Solve for x
    x = 50,781,674,208.81/268,395.52
  6. Step 6: Final answer
    x = 189,204.63

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