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Finding the Fourth Proportional to 170,728.70, 256,093.05 and 108,674.30

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Solution

The fourth proportional to 170,728.70, 256,093.05 and 108,674.30 is: 163,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,728.70 : 256,093.05 = 108,674.30 : x
  2. Step 2: Convert to fraction form
    170,728.70/256,093.05 = 108,674.30/x
  3. Step 3: Cross multiply
    170,728.70x = 256,093.05 × 108,674.30
  4. Step 4: Simplify right side
    170,728.70x = 27,830,732,943.62
  5. Step 5: Solve for x
    x = 27,830,732,943.62/170,728.70
  6. Step 6: Final answer
    x = 163,011.45

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