Home / 103,198.08-154,745.82-33,068.28

Finding the Fourth Proportional to 103,198.08, 154,745.82 and 33,068.28

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Solution

The fourth proportional to 103,198.08, 154,745.82 and 33,068.28 is: 49,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,198.08 : 154,745.82 = 33,068.28 : x
  2. Step 2: Convert to fraction form
    103,198.08/154,745.82 = 33,068.28/x
  3. Step 3: Cross multiply
    103,198.08x = 154,745.82 × 33,068.28
  4. Step 4: Simplify right side
    103,198.08x = 5,117,178,104.59
  5. Step 5: Solve for x
    x = 5,117,178,104.59/103,198.08
  6. Step 6: Final answer
    x = 49,585.98

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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.