Home / 106,524.25-159,634.13-78,222.27

Finding the Fourth Proportional to 106,524.25, 159,634.13 and 78,222.27

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Solution

The fourth proportional to 106,524.25, 159,634.13 and 78,222.27 is: 117,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,524.25 : 159,634.13 = 78,222.27 : x
  2. Step 2: Convert to fraction form
    106,524.25/159,634.13 = 78,222.27/x
  3. Step 3: Cross multiply
    106,524.25x = 159,634.13 × 78,222.27
  4. Step 4: Simplify right side
    106,524.25x = 12,486,944,225.59
  5. Step 5: Solve for x
    x = 12,486,944,225.59/106,524.25
  6. Step 6: Final answer
    x = 117,221.61

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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.