Home / 144,515.94-199,432.18-80,853.79

Finding the Fourth Proportional to 144,515.94, 199,432.18 and 80,853.79

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Solution

The fourth proportional to 144,515.94, 199,432.18 and 80,853.79 is: 111,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,515.94 : 199,432.18 = 80,853.79 : x
  2. Step 2: Convert to fraction form
    144,515.94/199,432.18 = 80,853.79/x
  3. Step 3: Cross multiply
    144,515.94x = 199,432.18 × 80,853.79
  4. Step 4: Simplify right side
    144,515.94x = 16,124,847,600.96
  5. Step 5: Solve for x
    x = 16,124,847,600.96/144,515.94
  6. Step 6: Final answer
    x = 111,578.33

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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.