Home / 234,734.94-323,930.07-134,130.78

Finding the Fourth Proportional to 234,734.94, 323,930.07 and 134,130.78

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Solution

The fourth proportional to 234,734.94, 323,930.07 and 134,130.78 is: 185,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,734.94 : 323,930.07 = 134,130.78 : x
  2. Step 2: Convert to fraction form
    234,734.94/323,930.07 = 134,130.78/x
  3. Step 3: Cross multiply
    234,734.94x = 323,930.07 × 134,130.78
  4. Step 4: Simplify right side
    234,734.94x = 43,448,992,954.55
  5. Step 5: Solve for x
    x = 43,448,992,954.55/234,734.94
  6. Step 6: Final answer
    x = 185,098.11

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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.