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Finding the Fourth Proportional to 224,955.18, 310,451.76 and 129,459.78

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Solution

The fourth proportional to 224,955.18, 310,451.76 and 129,459.78 is: 178,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,955.18 : 310,451.76 = 129,459.78 : x
  2. Step 2: Convert to fraction form
    224,955.18/310,451.76 = 129,459.78/x
  3. Step 3: Cross multiply
    224,955.18x = 310,451.76 × 129,459.78
  4. Step 4: Simplify right side
    224,955.18x = 40,191,016,550.21
  5. Step 5: Solve for x
    x = 40,191,016,550.21/224,955.18
  6. Step 6: Final answer
    x = 178,662.33

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