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Finding the Fourth Proportional to 117,700.17, 176,313.87 and 54,431.61

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Solution

The fourth proportional to 117,700.17, 176,313.87 and 54,431.61 is: 81,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.17 : 176,313.87 = 54,431.61 : x
  2. Step 2: Convert to fraction form
    117,700.17/176,313.87 = 54,431.61/x
  3. Step 3: Cross multiply
    117,700.17x = 176,313.87 × 54,431.61
  4. Step 4: Simplify right side
    117,700.17x = 9,597,047,809.43
  5. Step 5: Solve for x
    x = 9,597,047,809.43/117,700.17
  6. Step 6: Final answer
    x = 81,538.10

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