Home / 146,519.70-219,779.55-131,745.30

Finding the Fourth Proportional to 146,519.70, 219,779.55 and 131,745.30

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Solution

The fourth proportional to 146,519.70, 219,779.55 and 131,745.30 is: 197,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519.70 : 219,779.55 = 131,745.30 : x
  2. Step 2: Convert to fraction form
    146,519.70/219,779.55 = 131,745.30/x
  3. Step 3: Cross multiply
    146,519.70x = 219,779.55 × 131,745.30
  4. Step 4: Simplify right side
    146,519.70x = 28,954,922,748.62
  5. Step 5: Solve for x
    x = 28,954,922,748.62/146,519.70
  6. Step 6: Final answer
    x = 197,617.95

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1.5x scale

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.