Home / 144,771.91-199,793.18-80,239.82

Finding the Fourth Proportional to 144,771.91, 199,793.18 and 80,239.82

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Solution

The fourth proportional to 144,771.91, 199,793.18 and 80,239.82 is: 110,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,771.91 : 199,793.18 = 80,239.82 : x
  2. Step 2: Convert to fraction form
    144,771.91/199,793.18 = 80,239.82/x
  3. Step 3: Cross multiply
    144,771.91x = 199,793.18 × 80,239.82
  4. Step 4: Simplify right side
    144,771.91x = 16,031,368,002.06
  5. Step 5: Solve for x
    x = 16,031,368,002.06/144,771.91
  6. Step 6: Final answer
    x = 110,735.35

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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.