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Finding the Fourth Proportional to 124,565.40, 186,912.90 and 54,451.80

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Solution

The fourth proportional to 124,565.40, 186,912.90 and 54,451.80 is: 81,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,565.40 : 186,912.90 = 54,451.80 : x
  2. Step 2: Convert to fraction form
    124,565.40/186,912.90 = 54,451.80/x
  3. Step 3: Cross multiply
    124,565.40x = 186,912.90 × 54,451.80
  4. Step 4: Simplify right side
    124,565.40x = 10,177,743,848.22
  5. Step 5: Solve for x
    x = 10,177,743,848.22/124,565.40
  6. Step 6: Final answer
    x = 81,706.03

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