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Finding the Fourth Proportional to 143,817.84, 215,557.32 and 64,839.60

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Solution

The fourth proportional to 143,817.84, 215,557.32 and 64,839.60 is: 97,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,817.84 : 215,557.32 = 64,839.60 : x
  2. Step 2: Convert to fraction form
    143,817.84/215,557.32 = 64,839.60/x
  3. Step 3: Cross multiply
    143,817.84x = 215,557.32 × 64,839.60
  4. Step 4: Simplify right side
    143,817.84x = 13,976,650,405.87
  5. Step 5: Solve for x
    x = 13,976,650,405.87/143,817.84
  6. Step 6: Final answer
    x = 97,183.01

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