Home / 90,202.41-135,315.57-33,268.65

Finding the Fourth Proportional to 90,202.41, 135,315.57 and 33,268.65

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Solution

The fourth proportional to 90,202.41, 135,315.57 and 33,268.65 is: 49,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.41 : 135,315.57 = 33,268.65 : x
  2. Step 2: Convert to fraction form
    90,202.41/135,315.57 = 33,268.65/x
  3. Step 3: Cross multiply
    90,202.41x = 135,315.57 × 33,268.65
  4. Step 4: Simplify right side
    90,202.41x = 4,501,766,337.88
  5. Step 5: Solve for x
    x = 4,501,766,337.88/90,202.41
  6. Step 6: Final answer
    x = 49,907.38

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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.