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Finding the Fourth Proportional to 170,256.60, 254,996.10 and 100,272.60

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Solution

The fourth proportional to 170,256.60, 254,996.10 and 100,272.60 is: 150,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,256.60 : 254,996.10 = 100,272.60 : x
  2. Step 2: Convert to fraction form
    170,256.60/254,996.10 = 100,272.60/x
  3. Step 3: Cross multiply
    170,256.60x = 254,996.10 × 100,272.60
  4. Step 4: Simplify right side
    170,256.60x = 25,569,121,936.86
  5. Step 5: Solve for x
    x = 25,569,121,936.86/170,256.60
  6. Step 6: Final answer
    x = 150,179.92

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