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Finding the Fourth Proportional to 124,568.40, 186,739.20 and 45,663.60

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Solution

The fourth proportional to 124,568.40, 186,739.20 and 45,663.60 is: 68,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,568.40 : 186,739.20 = 45,663.60 : x
  2. Step 2: Convert to fraction form
    124,568.40/186,739.20 = 45,663.60/x
  3. Step 3: Cross multiply
    124,568.40x = 186,739.20 × 45,663.60
  4. Step 4: Simplify right side
    124,568.40x = 8,527,184,133.12
  5. Step 5: Solve for x
    x = 8,527,184,133.12/124,568.40
  6. Step 6: Final answer
    x = 68,453.83

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