Home / 245,851.89-339,286.07-136,956.09

Finding the Fourth Proportional to 245,851.89, 339,286.07 and 136,956.09

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Solution

The fourth proportional to 245,851.89, 339,286.07 and 136,956.09 is: 189,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,851.89 : 339,286.07 = 136,956.09 : x
  2. Step 2: Convert to fraction form
    245,851.89/339,286.07 = 136,956.09/x
  3. Step 3: Cross multiply
    245,851.89x = 339,286.07 × 136,956.09
  4. Step 4: Simplify right side
    245,851.89x = 46,467,292,853.89
  5. Step 5: Solve for x
    x = 46,467,292,853.89/245,851.89
  6. Step 6: Final answer
    x = 189,005.23

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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.