Home / 144,621.06-199,575.54-80,959.38

Finding the Fourth Proportional to 144,621.06, 199,575.54 and 80,959.38

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Solution

The fourth proportional to 144,621.06, 199,575.54 and 80,959.38 is: 111,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,621.06 : 199,575.54 = 80,959.38 : x
  2. Step 2: Convert to fraction form
    144,621.06/199,575.54 = 80,959.38/x
  3. Step 3: Cross multiply
    144,621.06x = 199,575.54 × 80,959.38
  4. Step 4: Simplify right side
    144,621.06x = 16,157,511,981.57
  5. Step 5: Solve for x
    x = 16,157,511,981.57/144,621.06
  6. Step 6: Final answer
    x = 111,723.09

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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.