Home / 234,391.08-323,436.54-131,006.20

Finding the Fourth Proportional to 234,391.08, 323,436.54 and 131,006.20

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Solution

The fourth proportional to 234,391.08, 323,436.54 and 131,006.20 is: 180,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,391.08 : 323,436.54 = 131,006.20 : x
  2. Step 2: Convert to fraction form
    234,391.08/323,436.54 = 131,006.20/x
  3. Step 3: Cross multiply
    234,391.08x = 323,436.54 × 131,006.20
  4. Step 4: Simplify right side
    234,391.08x = 42,372,192,046.55
  5. Step 5: Solve for x
    x = 42,372,192,046.55/234,391.08
  6. Step 6: Final answer
    x = 180,775.62

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1.5x scale

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.