Home / 143,273.06-214,832.37-109,910.78

Finding the Fourth Proportional to 143,273.06, 214,832.37 and 109,910.78

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Solution

The fourth proportional to 143,273.06, 214,832.37 and 109,910.78 is: 164,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,273.06 : 214,832.37 = 109,910.78 : x
  2. Step 2: Convert to fraction form
    143,273.06/214,832.37 = 109,910.78/x
  3. Step 3: Cross multiply
    143,273.06x = 214,832.37 × 109,910.78
  4. Step 4: Simplify right side
    143,273.06x = 23,612,393,355.95
  5. Step 5: Solve for x
    x = 23,612,393,355.95/143,273.06
  6. Step 6: Final answer
    x = 164,806.93

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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.