Home / 126,046.90-188,839.95-102,546.10

Finding the Fourth Proportional to 126,046.90, 188,839.95 and 102,546.10

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Solution

The fourth proportional to 126,046.90, 188,839.95 and 102,546.10 is: 153,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,046.90 : 188,839.95 = 102,546.10 : x
  2. Step 2: Convert to fraction form
    126,046.90/188,839.95 = 102,546.10/x
  3. Step 3: Cross multiply
    126,046.90x = 188,839.95 × 102,546.10
  4. Step 4: Simplify right side
    126,046.90x = 19,364,800,396.70
  5. Step 5: Solve for x
    x = 19,364,800,396.70/126,046.90
  6. Step 6: Final answer
    x = 153,631.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.