Home / 135,717.44-187,289.84-75,297.29

Finding the Fourth Proportional to 135,717.44, 187,289.84 and 75,297.29

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Solution

The fourth proportional to 135,717.44, 187,289.84 and 75,297.29 is: 103,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,717.44 : 187,289.84 = 75,297.29 : x
  2. Step 2: Convert to fraction form
    135,717.44/187,289.84 = 75,297.29/x
  3. Step 3: Cross multiply
    135,717.44x = 187,289.84 × 75,297.29
  4. Step 4: Simplify right side
    135,717.44x = 14,102,416,648.33
  5. Step 5: Solve for x
    x = 14,102,416,648.33/135,717.44
  6. Step 6: Final answer
    x = 103,910.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.