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Finding the Fourth Proportional to 223,486.79, 308,413.02 and 121,513.25

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Solution

The fourth proportional to 223,486.79, 308,413.02 and 121,513.25 is: 167,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,486.79 : 308,413.02 = 121,513.25 : x
  2. Step 2: Convert to fraction form
    223,486.79/308,413.02 = 121,513.25/x
  3. Step 3: Cross multiply
    223,486.79x = 308,413.02 × 121,513.25
  4. Step 4: Simplify right side
    223,486.79x = 37,476,266,860.45
  5. Step 5: Solve for x
    x = 37,476,266,860.45/223,486.79
  6. Step 6: Final answer
    x = 167,688.96

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