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Finding the Fourth Proportional to 223,740.16, 308,755.56 and 121,767.64

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Solution

The fourth proportional to 223,740.16, 308,755.56 and 121,767.64 is: 168,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,740.16 : 308,755.56 = 121,767.64 : x
  2. Step 2: Convert to fraction form
    223,740.16/308,755.56 = 121,767.64/x
  3. Step 3: Cross multiply
    223,740.16x = 308,755.56 × 121,767.64
  4. Step 4: Simplify right side
    223,740.16x = 37,596,435,878.08
  5. Step 5: Solve for x
    x = 37,596,435,878.08/223,740.16
  6. Step 6: Final answer
    x = 168,036.15

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