Home / 220,092.06-303,728.32-129,451.86

Finding the Fourth Proportional to 220,092.06, 303,728.32 and 129,451.86

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Solution

The fourth proportional to 220,092.06, 303,728.32 and 129,451.86 is: 178,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,092.06 : 303,728.32 = 129,451.86 : x
  2. Step 2: Convert to fraction form
    220,092.06/303,728.32 = 129,451.86/x
  3. Step 3: Cross multiply
    220,092.06x = 303,728.32 × 129,451.86
  4. Step 4: Simplify right side
    220,092.06x = 39,318,195,958.68
  5. Step 5: Solve for x
    x = 39,318,195,958.68/220,092.06
  6. Step 6: Final answer
    x = 178,644.32

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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.