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Finding the Fourth Proportional to 124,516.80, 186,775.20 and 54,532.80

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Solution

The fourth proportional to 124,516.80, 186,775.20 and 54,532.80 is: 81,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.80 : 186,775.20 = 54,532.80 : x
  2. Step 2: Convert to fraction form
    124,516.80/186,775.20 = 54,532.80/x
  3. Step 3: Cross multiply
    124,516.80x = 186,775.20 × 54,532.80
  4. Step 4: Simplify right side
    124,516.80x = 10,185,374,626.56
  5. Step 5: Solve for x
    x = 10,185,374,626.56/124,516.80
  6. Step 6: Final answer
    x = 81,799.20

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