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Finding the Fourth Proportional to 170,013.40, 255,020.10 and 140,464.60

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Solution

The fourth proportional to 170,013.40, 255,020.10 and 140,464.60 is: 210,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013.40 : 255,020.10 = 140,464.60 : x
  2. Step 2: Convert to fraction form
    170,013.40/255,020.10 = 140,464.60/x
  3. Step 3: Cross multiply
    170,013.40x = 255,020.10 × 140,464.60
  4. Step 4: Simplify right side
    170,013.40x = 35,821,296,338.46
  5. Step 5: Solve for x
    x = 35,821,296,338.46/170,013.40
  6. Step 6: Final answer
    x = 210,696.90

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