Home / 144,257.88-199,072.20-80,596.15

Finding the Fourth Proportional to 144,257.88, 199,072.20 and 80,596.15

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Solution

The fourth proportional to 144,257.88, 199,072.20 and 80,596.15 is: 111,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,257.88 : 199,072.20 = 80,596.15 : x
  2. Step 2: Convert to fraction form
    144,257.88/199,072.20 = 80,596.15/x
  3. Step 3: Cross multiply
    144,257.88x = 199,072.20 × 80,596.15
  4. Step 4: Simplify right side
    144,257.88x = 16,044,452,892.03
  5. Step 5: Solve for x
    x = 16,044,452,892.03/144,257.88
  6. Step 6: Final answer
    x = 111,220.63

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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.