Home / 213,910.18-320,761.44-107,248.32

Finding the Fourth Proportional to 213,910.18, 320,761.44 and 107,248.32

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Solution

The fourth proportional to 213,910.18, 320,761.44 and 107,248.32 is: 160,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,910.18 : 320,761.44 = 107,248.32 : x
  2. Step 2: Convert to fraction form
    213,910.18/320,761.44 = 107,248.32/x
  3. Step 3: Cross multiply
    213,910.18x = 320,761.44 × 107,248.32
  4. Step 4: Simplify right side
    213,910.18x = 34,401,125,560.78
  5. Step 5: Solve for x
    x = 34,401,125,560.78/213,910.18
  6. Step 6: Final answer
    x = 160,820.42

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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.