Home / 234,742.36-323,914.68-139,230.40

Finding the Fourth Proportional to 234,742.36, 323,914.68 and 139,230.40

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Solution

The fourth proportional to 234,742.36, 323,914.68 and 139,230.40 is: 192,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,742.36 : 323,914.68 = 139,230.40 : x
  2. Step 2: Convert to fraction form
    234,742.36/323,914.68 = 139,230.40/x
  3. Step 3: Cross multiply
    234,742.36x = 323,914.68 × 139,230.40
  4. Step 4: Simplify right side
    234,742.36x = 45,098,770,462.27
  5. Step 5: Solve for x
    x = 45,098,770,462.27/234,742.36
  6. Step 6: Final answer
    x = 192,120.29

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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.