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Finding the Fourth Proportional to 129,920.02, 179,413.44 and 122,844.14

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Solution

The fourth proportional to 129,920.02, 179,413.44 and 122,844.14 is: 169,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,920.02 : 179,413.44 = 122,844.14 : x
  2. Step 2: Convert to fraction form
    129,920.02/179,413.44 = 122,844.14/x
  3. Step 3: Cross multiply
    129,920.02x = 179,413.44 × 122,844.14
  4. Step 4: Simplify right side
    129,920.02x = 22,039,889,741.24
  5. Step 5: Solve for x
    x = 22,039,889,741.24/129,920.02
  6. Step 6: Final answer
    x = 169,641.98

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