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Finding the Fourth Proportional to 73,162.54, 109,743.85 and 20,572.03

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Solution

The fourth proportional to 73,162.54, 109,743.85 and 20,572.03 is: 30,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,162.54 : 109,743.85 = 20,572.03 : x
  2. Step 2: Convert to fraction form
    73,162.54/109,743.85 = 20,572.03/x
  3. Step 3: Cross multiply
    73,162.54x = 109,743.85 × 20,572.03
  4. Step 4: Simplify right side
    73,162.54x = 2,257,653,291.17
  5. Step 5: Solve for x
    x = 2,257,653,291.17/73,162.54
  6. Step 6: Final answer
    x = 30,858.05

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