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Finding the Fourth Proportional to 123,767.13, 185,620.95 and 57,143.25

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Solution

The fourth proportional to 123,767.13, 185,620.95 and 57,143.25 is: 85,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767.13 : 185,620.95 = 57,143.25 : x
  2. Step 2: Convert to fraction form
    123,767.13/185,620.95 = 57,143.25/x
  3. Step 3: Cross multiply
    123,767.13x = 185,620.95 × 57,143.25
  4. Step 4: Simplify right side
    123,767.13x = 10,606,984,351.09
  5. Step 5: Solve for x
    x = 10,606,984,351.09/123,767.13
  6. Step 6: Final answer
    x = 85,701.14

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