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Finding the Fourth Proportional to 170,824.20, 256,236.30 and 82,056.30

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Solution

The fourth proportional to 170,824.20, 256,236.30 and 82,056.30 is: 123,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,824.20 : 256,236.30 = 82,056.30 : x
  2. Step 2: Convert to fraction form
    170,824.20/256,236.30 = 82,056.30/x
  3. Step 3: Cross multiply
    170,824.20x = 256,236.30 × 82,056.30
  4. Step 4: Simplify right side
    170,824.20x = 21,025,802,703.69
  5. Step 5: Solve for x
    x = 21,025,802,703.69/170,824.20
  6. Step 6: Final answer
    x = 123,084.45

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