Home / 144,269.26-199,087.92-80,607.54

Finding the Fourth Proportional to 144,269.26, 199,087.92 and 80,607.54

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Solution

The fourth proportional to 144,269.26, 199,087.92 and 80,607.54 is: 111,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,269.26 : 199,087.92 = 80,607.54 : x
  2. Step 2: Convert to fraction form
    144,269.26/199,087.92 = 80,607.54/x
  3. Step 3: Cross multiply
    144,269.26x = 199,087.92 × 80,607.54
  4. Step 4: Simplify right side
    144,269.26x = 16,047,987,474.92
  5. Step 5: Solve for x
    x = 16,047,987,474.92/144,269.26
  6. Step 6: Final answer
    x = 111,236.36

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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.