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Finding the Fourth Proportional to 72,105.15, 108,157.97 and 22,184.91

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Solution

The fourth proportional to 72,105.15, 108,157.97 and 22,184.91 is: 33,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,105.15 : 108,157.97 = 22,184.91 : x
  2. Step 2: Convert to fraction form
    72,105.15/108,157.97 = 22,184.91/x
  3. Step 3: Cross multiply
    72,105.15x = 108,157.97 × 22,184.91
  4. Step 4: Simplify right side
    72,105.15x = 2,399,474,830.23
  5. Step 5: Solve for x
    x = 2,399,474,830.23/72,105.15
  6. Step 6: Final answer
    x = 33,277.44

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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.