Home / 144,050.40-198,769.64-80,375.84

Finding the Fourth Proportional to 144,050.40, 198,769.64 and 80,375.84

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Solution

The fourth proportional to 144,050.40, 198,769.64 and 80,375.84 is: 110,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.40 : 198,769.64 = 80,375.84 : x
  2. Step 2: Convert to fraction form
    144,050.40/198,769.64 = 80,375.84/x
  3. Step 3: Cross multiply
    144,050.40x = 198,769.64 × 80,375.84
  4. Step 4: Simplify right side
    144,050.40x = 15,976,276,781.50
  5. Step 5: Solve for x
    x = 15,976,276,781.50/144,050.40
  6. Step 6: Final answer
    x = 110,907.55

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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.