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Finding the Fourth Proportional to 202,966.80, 280,206.78 and 122,414.64

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Solution

The fourth proportional to 202,966.80, 280,206.78 and 122,414.64 is: 169,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,966.80 : 280,206.78 = 122,414.64 : x
  2. Step 2: Convert to fraction form
    202,966.80/280,206.78 = 122,414.64/x
  3. Step 3: Cross multiply
    202,966.80x = 280,206.78 × 122,414.64
  4. Step 4: Simplify right side
    202,966.80x = 34,301,412,099.26
  5. Step 5: Solve for x
    x = 34,301,412,099.26/202,966.80
  6. Step 6: Final answer
    x = 169,000.11

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