Home / 135,914.22-203,951.52-51,745.23

Finding the Fourth Proportional to 135,914.22, 203,951.52 and 51,745.23

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Solution

The fourth proportional to 135,914.22, 203,951.52 and 51,745.23 is: 77,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,914.22 : 203,951.52 = 51,745.23 : x
  2. Step 2: Convert to fraction form
    135,914.22/203,951.52 = 51,745.23/x
  3. Step 3: Cross multiply
    135,914.22x = 203,951.52 × 51,745.23
  4. Step 4: Simplify right side
    135,914.22x = 10,553,518,311.25
  5. Step 5: Solve for x
    x = 10,553,518,311.25/135,914.22
  6. Step 6: Final answer
    x = 77,648.37

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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.