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Finding the Fourth Proportional to 139,678.72, 192,982.14 and 97,425.88

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Solution

The fourth proportional to 139,678.72, 192,982.14 and 97,425.88 is: 134,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,678.72 : 192,982.14 = 97,425.88 : x
  2. Step 2: Convert to fraction form
    139,678.72/192,982.14 = 97,425.88/x
  3. Step 3: Cross multiply
    139,678.72x = 192,982.14 × 97,425.88
  4. Step 4: Simplify right side
    139,678.72x = 18,801,454,813.78
  5. Step 5: Solve for x
    x = 18,801,454,813.78/139,678.72
  6. Step 6: Final answer
    x = 134,605.01

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