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Finding the Fourth Proportional to 115,475.80, 173,213.70 and 108,477.40

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Solution

The fourth proportional to 115,475.80, 173,213.70 and 108,477.40 is: 162,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,475.80 : 173,213.70 = 108,477.40 : x
  2. Step 2: Convert to fraction form
    115,475.80/173,213.70 = 108,477.40/x
  3. Step 3: Cross multiply
    115,475.80x = 173,213.70 × 108,477.40
  4. Step 4: Simplify right side
    115,475.80x = 18,789,771,820.38
  5. Step 5: Solve for x
    x = 18,789,771,820.38/115,475.80
  6. Step 6: Final answer
    x = 162,716.10

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