Home / 193,546.72-290,338.40-75,227.20

Finding the Fourth Proportional to 193,546.72, 290,338.40 and 75,227.20

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Solution

The fourth proportional to 193,546.72, 290,338.40 and 75,227.20 is: 112,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,546.72 : 290,338.40 = 75,227.20 : x
  2. Step 2: Convert to fraction form
    193,546.72/290,338.40 = 75,227.20/x
  3. Step 3: Cross multiply
    193,546.72x = 290,338.40 × 75,227.20
  4. Step 4: Simplify right side
    193,546.72x = 21,841,344,884.48
  5. Step 5: Solve for x
    x = 21,841,344,884.48/193,546.72
  6. Step 6: Final answer
    x = 112,847.92

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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.