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Finding the Fourth Proportional to 144,726.40, 217,089.60 and 51,241.60

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Solution

The fourth proportional to 144,726.40, 217,089.60 and 51,241.60 is: 76,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,726.40 : 217,089.60 = 51,241.60 : x
  2. Step 2: Convert to fraction form
    144,726.40/217,089.60 = 51,241.60/x
  3. Step 3: Cross multiply
    144,726.40x = 217,089.60 × 51,241.60
  4. Step 4: Simplify right side
    144,726.40x = 11,124,018,447.36
  5. Step 5: Solve for x
    x = 11,124,018,447.36/144,726.40
  6. Step 6: Final answer
    x = 76,862.40

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