Home / 339,836.14-509,721.26-103,180.87

Finding the Fourth Proportional to 339,836.14, 509,721.26 and 103,180.87

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Solution

The fourth proportional to 339,836.14, 509,721.26 and 103,180.87 is: 154,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,836.14 : 509,721.26 = 103,180.87 : x
  2. Step 2: Convert to fraction form
    339,836.14/509,721.26 = 103,180.87/x
  3. Step 3: Cross multiply
    339,836.14x = 509,721.26 × 103,180.87
  4. Step 4: Simplify right side
    339,836.14x = 52,593,483,185.54
  5. Step 5: Solve for x
    x = 52,593,483,185.54/339,836.14
  6. Step 6: Final answer
    x = 154,761.30

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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.