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Finding the Fourth Proportional to 186,817.80, 280,226.70 and 154,012.80

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Solution

The fourth proportional to 186,817.80, 280,226.70 and 154,012.80 is: 231,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,817.80 : 280,226.70 = 154,012.80 : x
  2. Step 2: Convert to fraction form
    186,817.80/280,226.70 = 154,012.80/x
  3. Step 3: Cross multiply
    186,817.80x = 280,226.70 × 154,012.80
  4. Step 4: Simplify right side
    186,817.80x = 43,158,498,701.76
  5. Step 5: Solve for x
    x = 43,158,498,701.76/186,817.80
  6. Step 6: Final answer
    x = 231,019.20

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