Home / 203,229.96-280,460.16-117,187.44

Finding the Fourth Proportional to 203,229.96, 280,460.16 and 117,187.44

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Solution

The fourth proportional to 203,229.96, 280,460.16 and 117,187.44 is: 161,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,229.96 : 280,460.16 = 117,187.44 : x
  2. Step 2: Convert to fraction form
    203,229.96/280,460.16 = 117,187.44/x
  3. Step 3: Cross multiply
    203,229.96x = 280,460.16 × 117,187.44
  4. Step 4: Simplify right side
    203,229.96x = 32,866,408,172.39
  5. Step 5: Solve for x
    x = 32,866,408,172.39/203,229.96
  6. Step 6: Final answer
    x = 161,720.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.