Home / 144,515.45-199,431.49-80,853.29

Finding the Fourth Proportional to 144,515.45, 199,431.49 and 80,853.29

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Solution

The fourth proportional to 144,515.45, 199,431.49 and 80,853.29 is: 111,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,515.45 : 199,431.49 = 80,853.29 : x
  2. Step 2: Convert to fraction form
    144,515.45/199,431.49 = 80,853.29/x
  3. Step 3: Cross multiply
    144,515.45x = 199,431.49 × 80,853.29
  4. Step 4: Simplify right side
    144,515.45x = 16,124,691,691.84
  5. Step 5: Solve for x
    x = 16,124,691,691.84/144,515.45
  6. Step 6: Final answer
    x = 111,577.64

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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.