Home / 72,214.54-108,280.12-22,281.22

Finding the Fourth Proportional to 72,214.54, 108,280.12 and 22,281.22

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Solution

The fourth proportional to 72,214.54, 108,280.12 and 22,281.22 is: 33,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,214.54 : 108,280.12 = 22,281.22 : x
  2. Step 2: Convert to fraction form
    72,214.54/108,280.12 = 22,281.22/x
  3. Step 3: Cross multiply
    72,214.54x = 108,280.12 × 22,281.22
  4. Step 4: Simplify right side
    72,214.54x = 2,412,613,175.35
  5. Step 5: Solve for x
    x = 2,412,613,175.35/72,214.54
  6. Step 6: Final answer
    x = 33,408.97

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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.