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Finding the Fourth Proportional to 194,638.80, 291,795.96 and 82,405.20

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Solution

The fourth proportional to 194,638.80, 291,795.96 and 82,405.20 is: 123,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,638.80 : 291,795.96 = 82,405.20 : x
  2. Step 2: Convert to fraction form
    194,638.80/291,795.96 = 82,405.20/x
  3. Step 3: Cross multiply
    194,638.80x = 291,795.96 × 82,405.20
  4. Step 4: Simplify right side
    194,638.80x = 24,045,504,442.99
  5. Step 5: Solve for x
    x = 24,045,504,442.99/194,638.80
  6. Step 6: Final answer
    x = 123,539.11

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