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Finding the Fourth Proportional to 192,073.81, 287,967.96 and 92,138.83

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Solution

The fourth proportional to 192,073.81, 287,967.96 and 92,138.83 is: 138,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,073.81 : 287,967.96 = 92,138.83 : x
  2. Step 2: Convert to fraction form
    192,073.81/287,967.96 = 92,138.83/x
  3. Step 3: Cross multiply
    192,073.81x = 287,967.96 × 92,138.83
  4. Step 4: Simplify right side
    192,073.81x = 26,533,030,911.89
  5. Step 5: Solve for x
    x = 26,533,030,911.89/192,073.81
  6. Step 6: Final answer
    x = 138,139.76

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