Home / 203,435.72-305,329.26-141,149.96

Finding the Fourth Proportional to 203,435.72, 305,329.26 and 141,149.96

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Solution

The fourth proportional to 203,435.72, 305,329.26 and 141,149.96 is: 211,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,435.72 : 305,329.26 = 141,149.96 : x
  2. Step 2: Convert to fraction form
    203,435.72/305,329.26 = 141,149.96/x
  3. Step 3: Cross multiply
    203,435.72x = 305,329.26 × 141,149.96
  4. Step 4: Simplify right side
    203,435.72x = 43,097,212,835.83
  5. Step 5: Solve for x
    x = 43,097,212,835.83/203,435.72
  6. Step 6: Final answer
    x = 211,846.83

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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.