Home / 151,995.65-228,039.62-80,906.20

Finding the Fourth Proportional to 151,995.65, 228,039.62 and 80,906.20

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Solution

The fourth proportional to 151,995.65, 228,039.62 and 80,906.20 is: 121,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,995.65 : 228,039.62 = 80,906.20 : x
  2. Step 2: Convert to fraction form
    151,995.65/228,039.62 = 80,906.20/x
  3. Step 3: Cross multiply
    151,995.65x = 228,039.62 × 80,906.20
  4. Step 4: Simplify right side
    151,995.65x = 18,449,818,129.01
  5. Step 5: Solve for x
    x = 18,449,818,129.01/151,995.65
  6. Step 6: Final answer
    x = 121,383.85

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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.