Home / 144,350.22-199,199.79-80,695.50

Finding the Fourth Proportional to 144,350.22, 199,199.79 and 80,695.50

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Solution

The fourth proportional to 144,350.22, 199,199.79 and 80,695.50 is: 111,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,350.22 : 199,199.79 = 80,695.50 : x
  2. Step 2: Convert to fraction form
    144,350.22/199,199.79 = 80,695.50/x
  3. Step 3: Cross multiply
    144,350.22x = 199,199.79 × 80,695.50
  4. Step 4: Simplify right side
    144,350.22x = 16,074,526,653.95
  5. Step 5: Solve for x
    x = 16,074,526,653.95/144,350.22
  6. Step 6: Final answer
    x = 111,357.83

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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.