Home / 144,297.36-199,126.68-80,635.68

Finding the Fourth Proportional to 144,297.36, 199,126.68 and 80,635.68

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Solution

The fourth proportional to 144,297.36, 199,126.68 and 80,635.68 is: 111,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,297.36 : 199,126.68 = 80,635.68 : x
  2. Step 2: Convert to fraction form
    144,297.36/199,126.68 = 80,635.68/x
  3. Step 3: Cross multiply
    144,297.36x = 199,126.68 × 80,635.68
  4. Step 4: Simplify right side
    144,297.36x = 16,056,715,247.94
  5. Step 5: Solve for x
    x = 16,056,715,247.94/144,297.36
  6. Step 6: Final answer
    x = 111,275.18

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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.