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Finding the Fourth Proportional to 124,474.60, 186,690.30 and 45,548.20

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Solution

The fourth proportional to 124,474.60, 186,690.30 and 45,548.20 is: 68,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,474.60 : 186,690.30 = 45,548.20 : x
  2. Step 2: Convert to fraction form
    124,474.60/186,690.30 = 45,548.20/x
  3. Step 3: Cross multiply
    124,474.60x = 186,690.30 × 45,548.20
  4. Step 4: Simplify right side
    124,474.60x = 8,503,407,122.46
  5. Step 5: Solve for x
    x = 8,503,407,122.46/124,474.60
  6. Step 6: Final answer
    x = 68,314.40

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