Home / 144,074.61-198,841.77-80,425.62

Finding the Fourth Proportional to 144,074.61, 198,841.77 and 80,425.62

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Solution

The fourth proportional to 144,074.61, 198,841.77 and 80,425.62 is: 110,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.61 : 198,841.77 = 80,425.62 : x
  2. Step 2: Convert to fraction form
    144,074.61/198,841.77 = 80,425.62/x
  3. Step 3: Cross multiply
    144,074.61x = 198,841.77 × 80,425.62
  4. Step 4: Simplify right side
    144,074.61x = 15,991,972,634.15
  5. Step 5: Solve for x
    x = 15,991,972,634.15/144,074.61
  6. Step 6: Final answer
    x = 110,997.85

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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.