Home / 146,586.20-219,879.30-131,811.80

Finding the Fourth Proportional to 146,586.20, 219,879.30 and 131,811.80

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Solution

The fourth proportional to 146,586.20, 219,879.30 and 131,811.80 is: 197,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.20 : 219,879.30 = 131,811.80 : x
  2. Step 2: Convert to fraction form
    146,586.20/219,879.30 = 131,811.80/x
  3. Step 3: Cross multiply
    146,586.20x = 219,879.30 × 131,811.80
  4. Step 4: Simplify right side
    146,586.20x = 28,982,686,315.74
  5. Step 5: Solve for x
    x = 28,982,686,315.74/146,586.20
  6. Step 6: Final answer
    x = 197,717.70

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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.