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Finding the Fourth Proportional to 134,238.72, 200,919.78 and 98,690.64

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Solution

The fourth proportional to 134,238.72, 200,919.78 and 98,690.64 is: 147,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,238.72 : 200,919.78 = 98,690.64 : x
  2. Step 2: Convert to fraction form
    134,238.72/200,919.78 = 98,690.64/x
  3. Step 3: Cross multiply
    134,238.72x = 200,919.78 × 98,690.64
  4. Step 4: Simplify right side
    134,238.72x = 19,828,901,676.86
  5. Step 5: Solve for x
    x = 19,828,901,676.86/134,238.72
  6. Step 6: Final answer
    x = 147,713.73

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