Home / 115,003.62-172,494.09-36,115.74

Finding the Fourth Proportional to 115,003.62, 172,494.09 and 36,115.74

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Solution

The fourth proportional to 115,003.62, 172,494.09 and 36,115.74 is: 54,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,003.62 : 172,494.09 = 36,115.74 : x
  2. Step 2: Convert to fraction form
    115,003.62/172,494.09 = 36,115.74/x
  3. Step 3: Cross multiply
    115,003.62x = 172,494.09 × 36,115.74
  4. Step 4: Simplify right side
    115,003.62x = 6,229,751,705.98
  5. Step 5: Solve for x
    x = 6,229,751,705.98/115,003.62
  6. Step 6: Final answer
    x = 54,170.05

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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.