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Finding the Fourth Proportional to 194,456.80, 291,224.40 and 119,807.20

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Solution

The fourth proportional to 194,456.80, 291,224.40 and 119,807.20 is: 179,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,456.80 : 291,224.40 = 119,807.20 : x
  2. Step 2: Convert to fraction form
    194,456.80/291,224.40 = 119,807.20/x
  3. Step 3: Cross multiply
    194,456.80x = 291,224.40 × 119,807.20
  4. Step 4: Simplify right side
    194,456.80x = 34,890,779,935.68
  5. Step 5: Solve for x
    x = 34,890,779,935.68/194,456.80
  6. Step 6: Final answer
    x = 179,426.90

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