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Finding the Fourth Proportional to 170,251.76, 255,292.20 and 99,197.36

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Solution

The fourth proportional to 170,251.76, 255,292.20 and 99,197.36 is: 148,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,251.76 : 255,292.20 = 99,197.36 : x
  2. Step 2: Convert to fraction form
    170,251.76/255,292.20 = 99,197.36/x
  3. Step 3: Cross multiply
    170,251.76x = 255,292.20 × 99,197.36
  4. Step 4: Simplify right side
    170,251.76x = 25,324,312,268.59
  5. Step 5: Solve for x
    x = 25,324,312,268.59/170,251.76
  6. Step 6: Final answer
    x = 148,746.26

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