Home / 103,625.24-155,262.90-82,805

Finding the Fourth Proportional to 103,625.24, 155,262.90 and 82,805

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Solution

The fourth proportional to 103,625.24, 155,262.90 and 82,805 is: 124,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.24 : 155,262.90 = 82,805 : x
  2. Step 2: Convert to fraction form
    103,625.24/155,262.90 = 82,805/x
  3. Step 3: Cross multiply
    103,625.24x = 155,262.90 × 82,805
  4. Step 4: Simplify right side
    103,625.24x = 12,856,544,434.50
  5. Step 5: Solve for x
    x = 12,856,544,434.50/103,625.24
  6. Step 6: Final answer
    x = 124,067.69

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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.