Home / 72,218.04-108,317.04-22,299.78

Finding the Fourth Proportional to 72,218.04, 108,317.04 and 22,299.78

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Solution

The fourth proportional to 72,218.04, 108,317.04 and 22,299.78 is: 33,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218.04 : 108,317.04 = 22,299.78 : x
  2. Step 2: Convert to fraction form
    72,218.04/108,317.04 = 22,299.78/x
  3. Step 3: Cross multiply
    72,218.04x = 108,317.04 × 22,299.78
  4. Step 4: Simplify right side
    72,218.04x = 2,415,446,162.25
  5. Step 5: Solve for x
    x = 2,415,446,162.25/72,218.04
  6. Step 6: Final answer
    x = 33,446.58

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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.