Home / 72,073.26-108,120.22-22,157.54

Finding the Fourth Proportional to 72,073.26, 108,120.22 and 22,157.54

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Solution

The fourth proportional to 72,073.26, 108,120.22 and 22,157.54 is: 33,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073.26 : 108,120.22 = 22,157.54 : x
  2. Step 2: Convert to fraction form
    72,073.26/108,120.22 = 22,157.54/x
  3. Step 3: Cross multiply
    72,073.26x = 108,120.22 × 22,157.54
  4. Step 4: Simplify right side
    72,073.26x = 2,395,677,503.46
  5. Step 5: Solve for x
    x = 2,395,677,503.46/72,073.26
  6. Step 6: Final answer
    x = 33,239.48

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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.