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Finding the Fourth Proportional to 112,906.20, 169,359.30 and 112,906.20

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Solution

The fourth proportional to 112,906.20, 169,359.30 and 112,906.20 is: 169,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906.20 : 169,359.30 = 112,906.20 : x
  2. Step 2: Convert to fraction form
    112,906.20/169,359.30 = 112,906.20/x
  3. Step 3: Cross multiply
    112,906.20x = 169,359.30 × 112,906.20
  4. Step 4: Simplify right side
    112,906.20x = 19,121,714,997.66
  5. Step 5: Solve for x
    x = 19,121,714,997.66/112,906.20
  6. Step 6: Final answer
    x = 169,359.30

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