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Finding the Fourth Proportional to 187,245.80, 280,868.70 and 54,130.40

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Solution

The fourth proportional to 187,245.80, 280,868.70 and 54,130.40 is: 81,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,245.80 : 280,868.70 = 54,130.40 : x
  2. Step 2: Convert to fraction form
    187,245.80/280,868.70 = 54,130.40/x
  3. Step 3: Cross multiply
    187,245.80x = 280,868.70 × 54,130.40
  4. Step 4: Simplify right side
    187,245.80x = 15,203,535,078.48
  5. Step 5: Solve for x
    x = 15,203,535,078.48/187,245.80
  6. Step 6: Final answer
    x = 81,195.60

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