Home / 144,448.11-199,348.83-80,806.41

Finding the Fourth Proportional to 144,448.11, 199,348.83 and 80,806.41

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Solution

The fourth proportional to 144,448.11, 199,348.83 and 80,806.41 is: 111,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,448.11 : 199,348.83 = 80,806.41 : x
  2. Step 2: Convert to fraction form
    144,448.11/199,348.83 = 80,806.41/x
  3. Step 3: Cross multiply
    144,448.11x = 199,348.83 × 80,806.41
  4. Step 4: Simplify right side
    144,448.11x = 16,108,663,290.00
  5. Step 5: Solve for x
    x = 16,108,663,290.00/144,448.11
  6. Step 6: Final answer
    x = 111,518.69

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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.