Home / 234,943.78-324,222.72-127,513.81

Finding the Fourth Proportional to 234,943.78, 324,222.72 and 127,513.81

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Solution

The fourth proportional to 234,943.78, 324,222.72 and 127,513.81 is: 175,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,943.78 : 324,222.72 = 127,513.81 : x
  2. Step 2: Convert to fraction form
    234,943.78/324,222.72 = 127,513.81/x
  3. Step 3: Cross multiply
    234,943.78x = 324,222.72 × 127,513.81
  4. Step 4: Simplify right side
    234,943.78x = 41,342,872,694.65
  5. Step 5: Solve for x
    x = 41,342,872,694.65/234,943.78
  6. Step 6: Final answer
    x = 175,969.22

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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.