Home / 106,278.46-159,335.06-68,759.26

Finding the Fourth Proportional to 106,278.46, 159,335.06 and 68,759.26

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Solution

The fourth proportional to 106,278.46, 159,335.06 and 68,759.26 is: 103,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,278.46 : 159,335.06 = 68,759.26 : x
  2. Step 2: Convert to fraction form
    106,278.46/159,335.06 = 68,759.26/x
  3. Step 3: Cross multiply
    106,278.46x = 159,335.06 × 68,759.26
  4. Step 4: Simplify right side
    106,278.46x = 10,955,760,817.66
  5. Step 5: Solve for x
    x = 10,955,760,817.66/106,278.46
  6. Step 6: Final answer
    x = 103,085.43

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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.