Home / 234,949.98-324,083.46-139,389

Finding the Fourth Proportional to 234,949.98, 324,083.46 and 139,389

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Solution

The fourth proportional to 234,949.98, 324,083.46 and 139,389 is: 192,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,949.98 : 324,083.46 = 139,389 : x
  2. Step 2: Convert to fraction form
    234,949.98/324,083.46 = 139,389/x
  3. Step 3: Cross multiply
    234,949.98x = 324,083.46 × 139,389
  4. Step 4: Simplify right side
    234,949.98x = 45,173,669,405.94
  5. Step 5: Solve for x
    x = 45,173,669,405.94/234,949.98
  6. Step 6: Final answer
    x = 192,269.31

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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.