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Finding the Fourth Proportional to 54,194.40, 81,164.80 and 46,879.20

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Solution

The fourth proportional to 54,194.40, 81,164.80 and 46,879.20 is: 70,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.40 : 81,164.80 = 46,879.20 : x
  2. Step 2: Convert to fraction form
    54,194.40/81,164.80 = 46,879.20/x
  3. Step 3: Cross multiply
    54,194.40x = 81,164.80 × 46,879.20
  4. Step 4: Simplify right side
    54,194.40x = 3,804,940,892.16
  5. Step 5: Solve for x
    x = 3,804,940,892.16/54,194.40
  6. Step 6: Final answer
    x = 70,209.12

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