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Finding the Fourth Proportional to 112,399.62, 168,682.55 and 53,235.39

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Solution

The fourth proportional to 112,399.62, 168,682.55 and 53,235.39 is: 79,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,399.62 : 168,682.55 = 53,235.39 : x
  2. Step 2: Convert to fraction form
    112,399.62/168,682.55 = 53,235.39/x
  3. Step 3: Cross multiply
    112,399.62x = 168,682.55 × 53,235.39
  4. Step 4: Simplify right side
    112,399.62x = 8,979,881,335.44
  5. Step 5: Solve for x
    x = 8,979,881,335.44/112,399.62
  6. Step 6: Final answer
    x = 79,892.45

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