Home / 105,679.56-158,517.03-25,717.89

Finding the Fourth Proportional to 105,679.56, 158,517.03 and 25,717.89

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Solution

The fourth proportional to 105,679.56, 158,517.03 and 25,717.89 is: 38,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,679.56 : 158,517.03 = 25,717.89 : x
  2. Step 2: Convert to fraction form
    105,679.56/158,517.03 = 25,717.89/x
  3. Step 3: Cross multiply
    105,679.56x = 158,517.03 × 25,717.89
  4. Step 4: Simplify right side
    105,679.56x = 4,076,723,540.67
  5. Step 5: Solve for x
    x = 4,076,723,540.67/105,679.56
  6. Step 6: Final answer
    x = 38,576.27

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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.