Home / 179,451.32-268,768.85-139,147.29

Finding the Fourth Proportional to 179,451.32, 268,768.85 and 139,147.29

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Solution

The fourth proportional to 179,451.32, 268,768.85 and 139,147.29 is: 208,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,451.32 : 268,768.85 = 139,147.29 : x
  2. Step 2: Convert to fraction form
    179,451.32/268,768.85 = 139,147.29/x
  3. Step 3: Cross multiply
    179,451.32x = 268,768.85 × 139,147.29
  4. Step 4: Simplify right side
    179,451.32x = 37,398,456,418.18
  5. Step 5: Solve for x
    x = 37,398,456,418.18/179,451.32
  6. Step 6: Final answer
    x = 208,404.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.