Home / 144,282.29-199,109.13-80,620.14

Finding the Fourth Proportional to 144,282.29, 199,109.13 and 80,620.14

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Solution

The fourth proportional to 144,282.29, 199,109.13 and 80,620.14 is: 111,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,282.29 : 199,109.13 = 80,620.14 : x
  2. Step 2: Convert to fraction form
    144,282.29/199,109.13 = 80,620.14/x
  3. Step 3: Cross multiply
    144,282.29x = 199,109.13 × 80,620.14
  4. Step 4: Simplify right side
    144,282.29x = 16,052,205,935.88
  5. Step 5: Solve for x
    x = 16,052,205,935.88/144,282.29
  6. Step 6: Final answer
    x = 111,255.55

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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.