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Finding the Fourth Proportional to 144,497.80, 216,681.90 and 65,571.40

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Solution

The fourth proportional to 144,497.80, 216,681.90 and 65,571.40 is: 98,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,497.80 : 216,681.90 = 65,571.40 : x
  2. Step 2: Convert to fraction form
    144,497.80/216,681.90 = 65,571.40/x
  3. Step 3: Cross multiply
    144,497.80x = 216,681.90 × 65,571.40
  4. Step 4: Simplify right side
    144,497.80x = 14,208,135,537.66
  5. Step 5: Solve for x
    x = 14,208,135,537.66/144,497.80
  6. Step 6: Final answer
    x = 98,327.69

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