Home / 253,936.86-350,425.27-139,211.57

Finding the Fourth Proportional to 253,936.86, 350,425.27 and 139,211.57

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Solution

The fourth proportional to 253,936.86, 350,425.27 and 139,211.57 is: 192,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,936.86 : 350,425.27 = 139,211.57 : x
  2. Step 2: Convert to fraction form
    253,936.86/350,425.27 = 139,211.57/x
  3. Step 3: Cross multiply
    253,936.86x = 350,425.27 × 139,211.57
  4. Step 4: Simplify right side
    253,936.86x = 48,783,251,308.32
  5. Step 5: Solve for x
    x = 48,783,251,308.32/253,936.86
  6. Step 6: Final answer
    x = 192,107.80

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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.