Home / 131,939.25-197,833.90-51,933.86

Finding the Fourth Proportional to 131,939.25, 197,833.90 and 51,933.86

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Solution

The fourth proportional to 131,939.25, 197,833.90 and 51,933.86 is: 77,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,939.25 : 197,833.90 = 51,933.86 : x
  2. Step 2: Convert to fraction form
    131,939.25/197,833.90 = 51,933.86/x
  3. Step 3: Cross multiply
    131,939.25x = 197,833.90 × 51,933.86
  4. Step 4: Simplify right side
    131,939.25x = 10,274,276,946.85
  5. Step 5: Solve for x
    x = 10,274,276,946.85/131,939.25
  6. Step 6: Final answer
    x = 77,871.27

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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.