Home / 109,120.42-163,662.38-30,242.62

Finding the Fourth Proportional to 109,120.42, 163,662.38 and 30,242.62

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Solution

The fourth proportional to 109,120.42, 163,662.38 and 30,242.62 is: 45,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.42 : 163,662.38 = 30,242.62 : x
  2. Step 2: Convert to fraction form
    109,120.42/163,662.38 = 30,242.62/x
  3. Step 3: Cross multiply
    109,120.42x = 163,662.38 × 30,242.62
  4. Step 4: Simplify right side
    109,120.42x = 4,949,579,166.64
  5. Step 5: Solve for x
    x = 4,949,579,166.64/109,120.42
  6. Step 6: Final answer
    x = 45,358.87

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