Home / 74,781.30-112,171.99-22,190.32

Finding the Fourth Proportional to 74,781.30, 112,171.99 and 22,190.32

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Solution

The fourth proportional to 74,781.30, 112,171.99 and 22,190.32 is: 33,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781.30 : 112,171.99 = 22,190.32 : x
  2. Step 2: Convert to fraction form
    74,781.30/112,171.99 = 22,190.32/x
  3. Step 3: Cross multiply
    74,781.30x = 112,171.99 × 22,190.32
  4. Step 4: Simplify right side
    74,781.30x = 2,489,132,353.14
  5. Step 5: Solve for x
    x = 2,489,132,353.14/74,781.30
  6. Step 6: Final answer
    x = 33,285.49

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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.