Home / 205,175.85-307,872.14-145,589.37

Finding the Fourth Proportional to 205,175.85, 307,872.14 and 145,589.37

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Solution

The fourth proportional to 205,175.85, 307,872.14 and 145,589.37 is: 218,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,175.85 : 307,872.14 = 145,589.37 : x
  2. Step 2: Convert to fraction form
    205,175.85/307,872.14 = 145,589.37/x
  3. Step 3: Cross multiply
    205,175.85x = 307,872.14 × 145,589.37
  4. Step 4: Simplify right side
    205,175.85x = 44,822,909,839.62
  5. Step 5: Solve for x
    x = 44,822,909,839.62/205,175.85
  6. Step 6: Final answer
    x = 218,460.94

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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.