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Finding the Fourth Proportional to 144,907.40, 217,425.90 and 51,480.20

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Solution

The fourth proportional to 144,907.40, 217,425.90 and 51,480.20 is: 77,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,907.40 : 217,425.90 = 51,480.20 : x
  2. Step 2: Convert to fraction form
    144,907.40/217,425.90 = 51,480.20/x
  3. Step 3: Cross multiply
    144,907.40x = 217,425.90 × 51,480.20
  4. Step 4: Simplify right side
    144,907.40x = 11,193,128,817.18
  5. Step 5: Solve for x
    x = 11,193,128,817.18/144,907.40
  6. Step 6: Final answer
    x = 77,243.32

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