Home / 234,864.32-324,091.36-139,354.56

Finding the Fourth Proportional to 234,864.32, 324,091.36 and 139,354.56

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Solution

The fourth proportional to 234,864.32, 324,091.36 and 139,354.56 is: 192,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,864.32 : 324,091.36 = 139,354.56 : x
  2. Step 2: Convert to fraction form
    234,864.32/324,091.36 = 139,354.56/x
  3. Step 3: Cross multiply
    234,864.32x = 324,091.36 × 139,354.56
  4. Step 4: Simplify right side
    234,864.32x = 45,163,608,872.60
  5. Step 5: Solve for x
    x = 45,163,608,872.60/234,864.32
  6. Step 6: Final answer
    x = 192,296.59

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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.