Home / 103,890.48-155,855.16-33,789.84

Finding the Fourth Proportional to 103,890.48, 155,855.16 and 33,789.84

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Solution

The fourth proportional to 103,890.48, 155,855.16 and 33,789.84 is: 50,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,890.48 : 155,855.16 = 33,789.84 : x
  2. Step 2: Convert to fraction form
    103,890.48/155,855.16 = 33,789.84/x
  3. Step 3: Cross multiply
    103,890.48x = 155,855.16 × 33,789.84
  4. Step 4: Simplify right side
    103,890.48x = 5,266,320,919.57
  5. Step 5: Solve for x
    x = 5,266,320,919.57/103,890.48
  6. Step 6: Final answer
    x = 50,691.08

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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.