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Finding the Fourth Proportional to 164,410.70, 246,616.05 and 128,981.30

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Solution

The fourth proportional to 164,410.70, 246,616.05 and 128,981.30 is: 193,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,410.70 : 246,616.05 = 128,981.30 : x
  2. Step 2: Convert to fraction form
    164,410.70/246,616.05 = 128,981.30/x
  3. Step 3: Cross multiply
    164,410.70x = 246,616.05 × 128,981.30
  4. Step 4: Simplify right side
    164,410.70x = 31,808,858,729.87
  5. Step 5: Solve for x
    x = 31,808,858,729.87/164,410.70
  6. Step 6: Final answer
    x = 193,471.95

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