Home / 144,416.40-199,297.20-80,752.80

Finding the Fourth Proportional to 144,416.40, 199,297.20 and 80,752.80

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Solution

The fourth proportional to 144,416.40, 199,297.20 and 80,752.80 is: 111,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,416.40 : 199,297.20 = 80,752.80 : x
  2. Step 2: Convert to fraction form
    144,416.40/199,297.20 = 80,752.80/x
  3. Step 3: Cross multiply
    144,416.40x = 199,297.20 × 80,752.80
  4. Step 4: Simplify right side
    144,416.40x = 16,093,806,932.16
  5. Step 5: Solve for x
    x = 16,093,806,932.16/144,416.40
  6. Step 6: Final answer
    x = 111,440.30

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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.