Home / 144,297.60-199,130.22-80,635.38

Finding the Fourth Proportional to 144,297.60, 199,130.22 and 80,635.38

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Solution

The fourth proportional to 144,297.60, 199,130.22 and 80,635.38 is: 111,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,297.60 : 199,130.22 = 80,635.38 : x
  2. Step 2: Convert to fraction form
    144,297.60/199,130.22 = 80,635.38/x
  3. Step 3: Cross multiply
    144,297.60x = 199,130.22 × 80,635.38
  4. Step 4: Simplify right side
    144,297.60x = 16,056,940,959.18
  5. Step 5: Solve for x
    x = 16,056,940,959.18/144,297.60
  6. Step 6: Final answer
    x = 111,276.56

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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.