Home / 144,029.88-198,761.09-80,367.69

Finding the Fourth Proportional to 144,029.88, 198,761.09 and 80,367.69

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Solution

The fourth proportional to 144,029.88, 198,761.09 and 80,367.69 is: 110,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.88 : 198,761.09 = 80,367.69 : x
  2. Step 2: Convert to fraction form
    144,029.88/198,761.09 = 80,367.69/x
  3. Step 3: Cross multiply
    144,029.88x = 198,761.09 × 80,367.69
  4. Step 4: Simplify right side
    144,029.88x = 15,973,969,263.34
  5. Step 5: Solve for x
    x = 15,973,969,263.34/144,029.88
  6. Step 6: Final answer
    x = 110,907.33

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1.5x scale

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.