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Finding the Fourth Proportional to 72,104.82, 108,161.08 and 22,219.18

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Solution

The fourth proportional to 72,104.82, 108,161.08 and 22,219.18 is: 33,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,104.82 : 108,161.08 = 22,219.18 : x
  2. Step 2: Convert to fraction form
    72,104.82/108,161.08 = 22,219.18/x
  3. Step 3: Cross multiply
    72,104.82x = 108,161.08 × 22,219.18
  4. Step 4: Simplify right side
    72,104.82x = 2,403,250,505.51
  5. Step 5: Solve for x
    x = 2,403,250,505.51/72,104.82
  6. Step 6: Final answer
    x = 33,329.96

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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.