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Finding the Fourth Proportional to 144,460.40, 216,604.20 and 74,476.40

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Solution

The fourth proportional to 144,460.40, 216,604.20 and 74,476.40 is: 111,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,460.40 : 216,604.20 = 74,476.40 : x
  2. Step 2: Convert to fraction form
    144,460.40/216,604.20 = 74,476.40/x
  3. Step 3: Cross multiply
    144,460.40x = 216,604.20 × 74,476.40
  4. Step 4: Simplify right side
    144,460.40x = 16,131,901,040.88
  5. Step 5: Solve for x
    x = 16,131,901,040.88/144,460.40
  6. Step 6: Final answer
    x = 111,670.06

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