Home / 236,937.85-355,469.09-85,150.26

Finding the Fourth Proportional to 236,937.85, 355,469.09 and 85,150.26

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Solution

The fourth proportional to 236,937.85, 355,469.09 and 85,150.26 is: 127,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,937.85 : 355,469.09 = 85,150.26 : x
  2. Step 2: Convert to fraction form
    236,937.85/355,469.09 = 85,150.26/x
  3. Step 3: Cross multiply
    236,937.85x = 355,469.09 × 85,150.26
  4. Step 4: Simplify right side
    236,937.85x = 30,268,285,435.46
  5. Step 5: Solve for x
    x = 30,268,285,435.46/236,937.85
  6. Step 6: Final answer
    x = 127,747.78

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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.