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Finding the Fourth Proportional to 111,709.80, 167,512.05 and 40,582.28

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Solution

The fourth proportional to 111,709.80, 167,512.05 and 40,582.28 is: 60,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,709.80 : 167,512.05 = 40,582.28 : x
  2. Step 2: Convert to fraction form
    111,709.80/167,512.05 = 40,582.28/x
  3. Step 3: Cross multiply
    111,709.80x = 167,512.05 × 40,582.28
  4. Step 4: Simplify right side
    111,709.80x = 6,798,020,078.91
  5. Step 5: Solve for x
    x = 6,798,020,078.91/111,709.80
  6. Step 6: Final answer
    x = 60,854.29

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