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Finding the Fourth Proportional to 282,676.80, 424,015.20 and 125,212.80

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Solution

The fourth proportional to 282,676.80, 424,015.20 and 125,212.80 is: 187,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,676.80 : 424,015.20 = 125,212.80 : x
  2. Step 2: Convert to fraction form
    282,676.80/424,015.20 = 125,212.80/x
  3. Step 3: Cross multiply
    282,676.80x = 424,015.20 × 125,212.80
  4. Step 4: Simplify right side
    282,676.80x = 53,092,130,434.56
  5. Step 5: Solve for x
    x = 53,092,130,434.56/282,676.80
  6. Step 6: Final answer
    x = 187,819.20

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