Home / 234,350.85-323,404.43-126,921

Finding the Fourth Proportional to 234,350.85, 323,404.43 and 126,921

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Solution

The fourth proportional to 234,350.85, 323,404.43 and 126,921 is: 175,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,350.85 : 323,404.43 = 126,921 : x
  2. Step 2: Convert to fraction form
    234,350.85/323,404.43 = 126,921/x
  3. Step 3: Cross multiply
    234,350.85x = 323,404.43 × 126,921
  4. Step 4: Simplify right side
    234,350.85x = 41,046,813,660.03
  5. Step 5: Solve for x
    x = 41,046,813,660.03/234,350.85
  6. Step 6: Final answer
    x = 175,151.12

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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.