Home / 103,939.54-155,843.97-43,936.90

Finding the Fourth Proportional to 103,939.54, 155,843.97 and 43,936.90

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Solution

The fourth proportional to 103,939.54, 155,843.97 and 43,936.90 is: 65,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,939.54 : 155,843.97 = 43,936.90 : x
  2. Step 2: Convert to fraction form
    103,939.54/155,843.97 = 43,936.90/x
  3. Step 3: Cross multiply
    103,939.54x = 155,843.97 × 43,936.90
  4. Step 4: Simplify right side
    103,939.54x = 6,847,300,925.49
  5. Step 5: Solve for x
    x = 6,847,300,925.49/103,939.54
  6. Step 6: Final answer
    x = 65,877.73

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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.