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Finding the Fourth Proportional to 167,790.80, 251,686.20 and 161,339.60

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Solution

The fourth proportional to 167,790.80, 251,686.20 and 161,339.60 is: 242,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,790.80 : 251,686.20 = 161,339.60 : x
  2. Step 2: Convert to fraction form
    167,790.80/251,686.20 = 161,339.60/x
  3. Step 3: Cross multiply
    167,790.80x = 251,686.20 × 161,339.60
  4. Step 4: Simplify right side
    167,790.80x = 40,606,950,833.52
  5. Step 5: Solve for x
    x = 40,606,950,833.52/167,790.80
  6. Step 6: Final answer
    x = 242,009.40

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