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Finding the Fourth Proportional to 117,561.40, 176,342.10 and 73,165.30

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Solution

The fourth proportional to 117,561.40, 176,342.10 and 73,165.30 is: 109,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561.40 : 176,342.10 = 73,165.30 : x
  2. Step 2: Convert to fraction form
    117,561.40/176,342.10 = 73,165.30/x
  3. Step 3: Cross multiply
    117,561.40x = 176,342.10 × 73,165.30
  4. Step 4: Simplify right side
    117,561.40x = 12,902,122,649.13
  5. Step 5: Solve for x
    x = 12,902,122,649.13/117,561.40
  6. Step 6: Final answer
    x = 109,747.95

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