Home / 95,721.04-143,843.88-90,286.32

Finding the Fourth Proportional to 95,721.04, 143,843.88 and 90,286.32

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Solution

The fourth proportional to 95,721.04, 143,843.88 and 90,286.32 is: 135,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,721.04 : 143,843.88 = 90,286.32 : x
  2. Step 2: Convert to fraction form
    95,721.04/143,843.88 = 90,286.32/x
  3. Step 3: Cross multiply
    95,721.04x = 143,843.88 × 90,286.32
  4. Step 4: Simplify right side
    95,721.04x = 12,987,134,579.72
  5. Step 5: Solve for x
    x = 12,987,134,579.72/95,721.04
  6. Step 6: Final answer
    x = 135,676.91

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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.