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Finding the Fourth Proportional to 113,226.92, 169,840.18 and 30,120.92

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Solution

The fourth proportional to 113,226.92, 169,840.18 and 30,120.92 is: 45,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,226.92 : 169,840.18 = 30,120.92 : x
  2. Step 2: Convert to fraction form
    113,226.92/169,840.18 = 30,120.92/x
  3. Step 3: Cross multiply
    113,226.92x = 169,840.18 × 30,120.92
  4. Step 4: Simplify right side
    113,226.92x = 5,115,742,474.57
  5. Step 5: Solve for x
    x = 5,115,742,474.57/113,226.92
  6. Step 6: Final answer
    x = 45,181.33

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