Home / 144,687.26-199,663.79-80,153.85

Finding the Fourth Proportional to 144,687.26, 199,663.79 and 80,153.85

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Solution

The fourth proportional to 144,687.26, 199,663.79 and 80,153.85 is: 110,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,687.26 : 199,663.79 = 80,153.85 : x
  2. Step 2: Convert to fraction form
    144,687.26/199,663.79 = 80,153.85/x
  3. Step 3: Cross multiply
    144,687.26x = 199,663.79 × 80,153.85
  4. Step 4: Simplify right side
    144,687.26x = 16,003,821,822.06
  5. Step 5: Solve for x
    x = 16,003,821,822.06/144,687.26
  6. Step 6: Final answer
    x = 110,609.75

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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.