Home / 221,749.20-332,860.55-95,451.98

Finding the Fourth Proportional to 221,749.20, 332,860.55 and 95,451.98

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Solution

The fourth proportional to 221,749.20, 332,860.55 and 95,451.98 is: 143,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,749.20 : 332,860.55 = 95,451.98 : x
  2. Step 2: Convert to fraction form
    221,749.20/332,860.55 = 95,451.98/x
  3. Step 3: Cross multiply
    221,749.20x = 332,860.55 × 95,451.98
  4. Step 4: Simplify right side
    221,749.20x = 31,772,196,419.83
  5. Step 5: Solve for x
    x = 31,772,196,419.83/221,749.20
  6. Step 6: Final answer
    x = 143,279.87

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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.