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Finding the Fourth Proportional to 170,468.80, 256,010.40 and 164,939.20

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Solution

The fourth proportional to 170,468.80, 256,010.40 and 164,939.20 is: 247,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,468.80 : 256,010.40 = 164,939.20 : x
  2. Step 2: Convert to fraction form
    170,468.80/256,010.40 = 164,939.20/x
  3. Step 3: Cross multiply
    170,468.80x = 256,010.40 × 164,939.20
  4. Step 4: Simplify right side
    170,468.80x = 42,226,150,567.68
  5. Step 5: Solve for x
    x = 42,226,150,567.68/170,468.80
  6. Step 6: Final answer
    x = 247,706.04

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