Home / 234,936.96-324,065.54-139,376

Finding the Fourth Proportional to 234,936.96, 324,065.54 and 139,376

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Solution

The fourth proportional to 234,936.96, 324,065.54 and 139,376 is: 192,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,936.96 : 324,065.54 = 139,376 : x
  2. Step 2: Convert to fraction form
    234,936.96/324,065.54 = 139,376/x
  3. Step 3: Cross multiply
    234,936.96x = 324,065.54 × 139,376
  4. Step 4: Simplify right side
    234,936.96x = 45,166,958,703.04
  5. Step 5: Solve for x
    x = 45,166,958,703.04/234,936.96
  6. Step 6: Final answer
    x = 192,251.40

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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.