Home / 106,142.40-159,216.03-27,257.31

Finding the Fourth Proportional to 106,142.40, 159,216.03 and 27,257.31

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Solution

The fourth proportional to 106,142.40, 159,216.03 and 27,257.31 is: 40,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,142.40 : 159,216.03 = 27,257.31 : x
  2. Step 2: Convert to fraction form
    106,142.40/159,216.03 = 27,257.31/x
  3. Step 3: Cross multiply
    106,142.40x = 159,216.03 × 27,257.31
  4. Step 4: Simplify right side
    106,142.40x = 4,339,800,686.68
  5. Step 5: Solve for x
    x = 4,339,800,686.68/106,142.40
  6. Step 6: Final answer
    x = 40,886.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.