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Finding the Fourth Proportional to 124,710.80, 187,066.20 and 111,491.60

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Solution

The fourth proportional to 124,710.80, 187,066.20 and 111,491.60 is: 167,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,710.80 : 187,066.20 = 111,491.60 : x
  2. Step 2: Convert to fraction form
    124,710.80/187,066.20 = 111,491.60/x
  3. Step 3: Cross multiply
    124,710.80x = 187,066.20 × 111,491.60
  4. Step 4: Simplify right side
    124,710.80x = 20,856,309,943.92
  5. Step 5: Solve for x
    x = 20,856,309,943.92/124,710.80
  6. Step 6: Final answer
    x = 167,237.40

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