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Finding the Fourth Proportional to 83,497.16, 115,225.20 and 45,771.20

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Solution

The fourth proportional to 83,497.16, 115,225.20 and 45,771.20 is: 63,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,497.16 : 115,225.20 = 45,771.20 : x
  2. Step 2: Convert to fraction form
    83,497.16/115,225.20 = 45,771.20/x
  3. Step 3: Cross multiply
    83,497.16x = 115,225.20 × 45,771.20
  4. Step 4: Simplify right side
    83,497.16x = 5,273,995,674.24
  5. Step 5: Solve for x
    x = 5,273,995,674.24/83,497.16
  6. Step 6: Final answer
    x = 63,163.77

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