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Finding the Fourth Proportional to 80,814.97, 121,263.98 and 35,867.12

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Solution

The fourth proportional to 80,814.97, 121,263.98 and 35,867.12 is: 53,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,814.97 : 121,263.98 = 35,867.12 : x
  2. Step 2: Convert to fraction form
    80,814.97/121,263.98 = 35,867.12/x
  3. Step 3: Cross multiply
    80,814.97x = 121,263.98 × 35,867.12
  4. Step 4: Simplify right side
    80,814.97x = 4,349,389,846.16
  5. Step 5: Solve for x
    x = 4,349,389,846.16/80,814.97
  6. Step 6: Final answer
    x = 53,819.11

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