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Finding the Fourth Proportional to 118,899.16, 164,082.66 and 71,154.52

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Solution

The fourth proportional to 118,899.16, 164,082.66 and 71,154.52 is: 98,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,899.16 : 164,082.66 = 71,154.52 : x
  2. Step 2: Convert to fraction form
    118,899.16/164,082.66 = 71,154.52/x
  3. Step 3: Cross multiply
    118,899.16x = 164,082.66 × 71,154.52
  4. Step 4: Simplify right side
    118,899.16x = 11,675,222,912.62
  5. Step 5: Solve for x
    x = 11,675,222,912.62/118,899.16
  6. Step 6: Final answer
    x = 98,194.33

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