Home / 246,309.05-339,906.88-133,131.80

Finding the Fourth Proportional to 246,309.05, 339,906.88 and 133,131.80

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Solution

The fourth proportional to 246,309.05, 339,906.88 and 133,131.80 is: 183,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,309.05 : 339,906.88 = 133,131.80 : x
  2. Step 2: Convert to fraction form
    246,309.05/339,906.88 = 133,131.80/x
  3. Step 3: Cross multiply
    246,309.05x = 339,906.88 × 133,131.80
  4. Step 4: Simplify right side
    246,309.05x = 45,252,415,782.97
  5. Step 5: Solve for x
    x = 45,252,415,782.97/246,309.05
  6. Step 6: Final answer
    x = 183,722.10

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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.