Home / 144,012.30-198,717.22-80,337.80

Finding the Fourth Proportional to 144,012.30, 198,717.22 and 80,337.80

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Solution

The fourth proportional to 144,012.30, 198,717.22 and 80,337.80 is: 110,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012.30 : 198,717.22 = 80,337.80 : x
  2. Step 2: Convert to fraction form
    144,012.30/198,717.22 = 80,337.80/x
  3. Step 3: Cross multiply
    144,012.30x = 198,717.22 × 80,337.80
  4. Step 4: Simplify right side
    144,012.30x = 15,964,504,276.92
  5. Step 5: Solve for x
    x = 15,964,504,276.92/144,012.30
  6. Step 6: Final answer
    x = 110,855.14

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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.