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Finding the Fourth Proportional to 121,390.33, 182,159.31 and 51,269.64

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Solution

The fourth proportional to 121,390.33, 182,159.31 and 51,269.64 is: 76,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,390.33 : 182,159.31 = 51,269.64 : x
  2. Step 2: Convert to fraction form
    121,390.33/182,159.31 = 51,269.64/x
  3. Step 3: Cross multiply
    121,390.33x = 182,159.31 × 51,269.64
  4. Step 4: Simplify right side
    121,390.33x = 9,339,241,990.00
  5. Step 5: Solve for x
    x = 9,339,241,990.00/121,390.33
  6. Step 6: Final answer
    x = 76,935.64

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