Home / 221,427.10-332,173.05-71,641.90

Finding the Fourth Proportional to 221,427.10, 332,173.05 and 71,641.90

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Solution

The fourth proportional to 221,427.10, 332,173.05 and 71,641.90 is: 107,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,427.10 : 332,173.05 = 71,641.90 : x
  2. Step 2: Convert to fraction form
    221,427.10/332,173.05 = 71,641.90/x
  3. Step 3: Cross multiply
    221,427.10x = 332,173.05 × 71,641.90
  4. Step 4: Simplify right side
    221,427.10x = 23,797,508,430.80
  5. Step 5: Solve for x
    x = 23,797,508,430.80/221,427.10
  6. Step 6: Final answer
    x = 107,473.33

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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.