Home / 234,954.57-324,204.07-139,499.31

Finding the Fourth Proportional to 234,954.57, 324,204.07 and 139,499.31

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Solution

The fourth proportional to 234,954.57, 324,204.07 and 139,499.31 is: 192,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,954.57 : 324,204.07 = 139,499.31 : x
  2. Step 2: Convert to fraction form
    234,954.57/324,204.07 = 139,499.31/x
  3. Step 3: Cross multiply
    234,954.57x = 324,204.07 × 139,499.31
  4. Step 4: Simplify right side
    234,954.57x = 45,226,245,192.77
  5. Step 5: Solve for x
    x = 45,226,245,192.77/234,954.57
  6. Step 6: Final answer
    x = 192,489.32

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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.