Home / 144,348.21-199,197.09-80,691.93

Finding the Fourth Proportional to 144,348.21, 199,197.09 and 80,691.93

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Solution

The fourth proportional to 144,348.21, 199,197.09 and 80,691.93 is: 111,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,348.21 : 199,197.09 = 80,691.93 : x
  2. Step 2: Convert to fraction form
    144,348.21/199,197.09 = 80,691.93/x
  3. Step 3: Cross multiply
    144,348.21x = 199,197.09 × 80,691.93
  4. Step 4: Simplify right side
    144,348.21x = 16,073,597,642.48
  5. Step 5: Solve for x
    x = 16,073,597,642.48/144,348.21
  6. Step 6: Final answer
    x = 111,352.94

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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.