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Finding the Fourth Proportional to 117,700.20, 176,319.90 and 70,813.80

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Solution

The fourth proportional to 117,700.20, 176,319.90 and 70,813.80 is: 106,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.20 : 176,319.90 = 70,813.80 : x
  2. Step 2: Convert to fraction form
    117,700.20/176,319.90 = 70,813.80/x
  3. Step 3: Cross multiply
    117,700.20x = 176,319.90 × 70,813.80
  4. Step 4: Simplify right side
    117,700.20x = 12,485,882,134.62
  5. Step 5: Solve for x
    x = 12,485,882,134.62/117,700.20
  6. Step 6: Final answer
    x = 106,082.08

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