Home / 220,941.40-331,467.30-71,195.80

Finding the Fourth Proportional to 220,941.40, 331,467.30 and 71,195.80

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Solution

The fourth proportional to 220,941.40, 331,467.30 and 71,195.80 is: 106,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,941.40 : 331,467.30 = 71,195.80 : x
  2. Step 2: Convert to fraction form
    220,941.40/331,467.30 = 71,195.80/x
  3. Step 3: Cross multiply
    220,941.40x = 331,467.30 × 71,195.80
  4. Step 4: Simplify right side
    220,941.40x = 23,599,079,597.34
  5. Step 5: Solve for x
    x = 23,599,079,597.34/220,941.40
  6. Step 6: Final answer
    x = 106,811.49

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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.