Home / 221,686.40-332,250.75-95,176.95

Finding the Fourth Proportional to 221,686.40, 332,250.75 and 95,176.95

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Solution

The fourth proportional to 221,686.40, 332,250.75 and 95,176.95 is: 142,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,686.40 : 332,250.75 = 95,176.95 : x
  2. Step 2: Convert to fraction form
    221,686.40/332,250.75 = 95,176.95/x
  3. Step 3: Cross multiply
    221,686.40x = 332,250.75 × 95,176.95
  4. Step 4: Simplify right side
    221,686.40x = 31,622,613,020.21
  5. Step 5: Solve for x
    x = 31,622,613,020.21/221,686.40
  6. Step 6: Final answer
    x = 142,645.71

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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.