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Finding the Fourth Proportional to 113,846.80, 170,770.20 and 112,097.20

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Solution

The fourth proportional to 113,846.80, 170,770.20 and 112,097.20 is: 168,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,846.80 : 170,770.20 = 112,097.20 : x
  2. Step 2: Convert to fraction form
    113,846.80/170,770.20 = 112,097.20/x
  3. Step 3: Cross multiply
    113,846.80x = 170,770.20 × 112,097.20
  4. Step 4: Simplify right side
    113,846.80x = 19,142,861,263.44
  5. Step 5: Solve for x
    x = 19,142,861,263.44/113,846.80
  6. Step 6: Final answer
    x = 168,145.80

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