Home / 72,198.34-108,309.05-22,266.70

Finding the Fourth Proportional to 72,198.34, 108,309.05 and 22,266.70

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Solution

The fourth proportional to 72,198.34, 108,309.05 and 22,266.70 is: 33,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,198.34 : 108,309.05 = 22,266.70 : x
  2. Step 2: Convert to fraction form
    72,198.34/108,309.05 = 22,266.70/x
  3. Step 3: Cross multiply
    72,198.34x = 108,309.05 × 22,266.70
  4. Step 4: Simplify right side
    72,198.34x = 2,411,684,825.03
  5. Step 5: Solve for x
    x = 2,411,684,825.03/72,198.34
  6. Step 6: Final answer
    x = 33,403.61

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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.