Home / 131,727.70-197,592.07-31,887.73

Finding the Fourth Proportional to 131,727.70, 197,592.07 and 31,887.73

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Solution

The fourth proportional to 131,727.70, 197,592.07 and 31,887.73 is: 47,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.70 : 197,592.07 = 31,887.73 : x
  2. Step 2: Convert to fraction form
    131,727.70/197,592.07 = 31,887.73/x
  3. Step 3: Cross multiply
    131,727.70x = 197,592.07 × 31,887.73
  4. Step 4: Simplify right side
    131,727.70x = 6,300,763,175.85
  5. Step 5: Solve for x
    x = 6,300,763,175.85/131,727.70
  6. Step 6: Final answer
    x = 47,831.72

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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.