Home / 246,175.80-339,712.73-138,768.12

Finding the Fourth Proportional to 246,175.80, 339,712.73 and 138,768.12

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Solution

The fourth proportional to 246,175.80, 339,712.73 and 138,768.12 is: 191,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,175.80 : 339,712.73 = 138,768.12 : x
  2. Step 2: Convert to fraction form
    246,175.80/339,712.73 = 138,768.12/x
  3. Step 3: Cross multiply
    246,175.80x = 339,712.73 × 138,768.12
  4. Step 4: Simplify right side
    246,175.80x = 47,141,295,183.60
  5. Step 5: Solve for x
    x = 47,141,295,183.60/246,175.80
  6. Step 6: Final answer
    x = 191,494.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.