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Finding the Fourth Proportional to 95,020.40, 142,433.40 and 55,557.20

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Solution

The fourth proportional to 95,020.40, 142,433.40 and 55,557.20 is: 83,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,020.40 : 142,433.40 = 55,557.20 : x
  2. Step 2: Convert to fraction form
    95,020.40/142,433.40 = 55,557.20/x
  3. Step 3: Cross multiply
    95,020.40x = 142,433.40 × 55,557.20
  4. Step 4: Simplify right side
    95,020.40x = 7,913,200,890.48
  5. Step 5: Solve for x
    x = 7,913,200,890.48/95,020.40
  6. Step 6: Final answer
    x = 83,278.97

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