Home / 131,917.52-197,918.66-43,150.83

Finding the Fourth Proportional to 131,917.52, 197,918.66 and 43,150.83

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Solution

The fourth proportional to 131,917.52, 197,918.66 and 43,150.83 is: 64,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,917.52 : 197,918.66 = 43,150.83 : x
  2. Step 2: Convert to fraction form
    131,917.52/197,918.66 = 43,150.83/x
  3. Step 3: Cross multiply
    131,917.52x = 197,918.66 × 43,150.83
  4. Step 4: Simplify right side
    131,917.52x = 8,540,354,235.73
  5. Step 5: Solve for x
    x = 8,540,354,235.73/131,917.52
  6. Step 6: Final answer
    x = 64,740.11

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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.