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Finding the Fourth Proportional to 68,123.04, 102,201.84 and 21,376.32

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Solution

The fourth proportional to 68,123.04, 102,201.84 and 21,376.32 is: 32,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,123.04 : 102,201.84 = 21,376.32 : x
  2. Step 2: Convert to fraction form
    68,123.04/102,201.84 = 21,376.32/x
  3. Step 3: Cross multiply
    68,123.04x = 102,201.84 × 21,376.32
  4. Step 4: Simplify right side
    68,123.04x = 2,184,699,236.43
  5. Step 5: Solve for x
    x = 2,184,699,236.43/68,123.04
  6. Step 6: Final answer
    x = 32,069.90

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