Home / 144,623.06-199,578.30-80,961.38

Finding the Fourth Proportional to 144,623.06, 199,578.30 and 80,961.38

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Solution

The fourth proportional to 144,623.06, 199,578.30 and 80,961.38 is: 111,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,623.06 : 199,578.30 = 80,961.38 : x
  2. Step 2: Convert to fraction form
    144,623.06/199,578.30 = 80,961.38/x
  3. Step 3: Cross multiply
    144,623.06x = 199,578.30 × 80,961.38
  4. Step 4: Simplify right side
    144,623.06x = 16,158,134,586.05
  5. Step 5: Solve for x
    x = 16,158,134,586.05/144,623.06
  6. Step 6: Final answer
    x = 111,725.85

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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.