Home / 144,145.82-198,933.53-80,495.92

Finding the Fourth Proportional to 144,145.82, 198,933.53 and 80,495.92

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Solution

The fourth proportional to 144,145.82, 198,933.53 and 80,495.92 is: 111,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,145.82 : 198,933.53 = 80,495.92 : x
  2. Step 2: Convert to fraction form
    144,145.82/198,933.53 = 80,495.92/x
  3. Step 3: Cross multiply
    144,145.82x = 198,933.53 × 80,495.92
  4. Step 4: Simplify right side
    144,145.82x = 16,013,337,717.44
  5. Step 5: Solve for x
    x = 16,013,337,717.44/144,145.82
  6. Step 6: Final answer
    x = 111,091.24

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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.