Home / 193,845.24-290,711.70-75,490.20

Finding the Fourth Proportional to 193,845.24, 290,711.70 and 75,490.20

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Solution

The fourth proportional to 193,845.24, 290,711.70 and 75,490.20 is: 113,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845.24 : 290,711.70 = 75,490.20 : x
  2. Step 2: Convert to fraction form
    193,845.24/290,711.70 = 75,490.20/x
  3. Step 3: Cross multiply
    193,845.24x = 290,711.70 × 75,490.20
  4. Step 4: Simplify right side
    193,845.24x = 21,945,884,375.34
  5. Step 5: Solve for x
    x = 21,945,884,375.34/193,845.24
  6. Step 6: Final answer
    x = 113,213.43

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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.