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Finding the Fourth Proportional to 112,023.40, 168,035.10 and 49,815.40

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Solution

The fourth proportional to 112,023.40, 168,035.10 and 49,815.40 is: 74,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023.40 : 168,035.10 = 49,815.40 : x
  2. Step 2: Convert to fraction form
    112,023.40/168,035.10 = 49,815.40/x
  3. Step 3: Cross multiply
    112,023.40x = 168,035.10 × 49,815.40
  4. Step 4: Simplify right side
    112,023.40x = 8,370,735,720.54
  5. Step 5: Solve for x
    x = 8,370,735,720.54/112,023.40
  6. Step 6: Final answer
    x = 74,723.10

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