Home / 193,548.45-290,209.68-75,081.36

Finding the Fourth Proportional to 193,548.45, 290,209.68 and 75,081.36

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Solution

The fourth proportional to 193,548.45, 290,209.68 and 75,081.36 is: 112,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548.45 : 290,209.68 = 75,081.36 : x
  2. Step 2: Convert to fraction form
    193,548.45/290,209.68 = 75,081.36/x
  3. Step 3: Cross multiply
    193,548.45x = 290,209.68 × 75,081.36
  4. Step 4: Simplify right side
    193,548.45x = 21,789,337,459.56
  5. Step 5: Solve for x
    x = 21,789,337,459.56/193,548.45
  6. Step 6: Final answer
    x = 112,578.21

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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.