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Finding the Fourth Proportional to 262,109.61, 393,164.82 and 112,338.18

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Solution

The fourth proportional to 262,109.61, 393,164.82 and 112,338.18 is: 168,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,109.61 : 393,164.82 = 112,338.18 : x
  2. Step 2: Convert to fraction form
    262,109.61/393,164.82 = 112,338.18/x
  3. Step 3: Cross multiply
    262,109.61x = 393,164.82 × 112,338.18
  4. Step 4: Simplify right side
    262,109.61x = 44,167,420,318.83
  5. Step 5: Solve for x
    x = 44,167,420,318.83/262,109.61
  6. Step 6: Final answer
    x = 168,507.44

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