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Finding the Fourth Proportional to 113,345.68, 169,945.62 and 54,180.04

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Solution

The fourth proportional to 113,345.68, 169,945.62 and 54,180.04 is: 81,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,345.68 : 169,945.62 = 54,180.04 : x
  2. Step 2: Convert to fraction form
    113,345.68/169,945.62 = 54,180.04/x
  3. Step 3: Cross multiply
    113,345.68x = 169,945.62 × 54,180.04
  4. Step 4: Simplify right side
    113,345.68x = 9,207,660,489.42
  5. Step 5: Solve for x
    x = 9,207,660,489.42/113,345.68
  6. Step 6: Final answer
    x = 81,235.21

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