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Finding the Fourth Proportional to 121,554.45, 167,753.56 and 67,849.93

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Solution

The fourth proportional to 121,554.45, 167,753.56 and 67,849.93 is: 93,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,554.45 : 167,753.56 = 67,849.93 : x
  2. Step 2: Convert to fraction form
    121,554.45/167,753.56 = 67,849.93/x
  3. Step 3: Cross multiply
    121,554.45x = 167,753.56 × 67,849.93
  4. Step 4: Simplify right side
    121,554.45x = 11,382,067,303.25
  5. Step 5: Solve for x
    x = 11,382,067,303.25/121,554.45
  6. Step 6: Final answer
    x = 93,637.60

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