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Finding the Fourth Proportional to 112,168.08, 154,786.50 and 66,845.07

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Solution

The fourth proportional to 112,168.08, 154,786.50 and 66,845.07 is: 92,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,168.08 : 154,786.50 = 66,845.07 : x
  2. Step 2: Convert to fraction form
    112,168.08/154,786.50 = 66,845.07/x
  3. Step 3: Cross multiply
    112,168.08x = 154,786.50 × 66,845.07
  4. Step 4: Simplify right side
    112,168.08x = 10,346,714,427.56
  5. Step 5: Solve for x
    x = 10,346,714,427.56/112,168.08
  6. Step 6: Final answer
    x = 92,242.95

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