Home / 193,495.85-290,132.03-75,028.79

Finding the Fourth Proportional to 193,495.85, 290,132.03 and 75,028.79

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Solution

The fourth proportional to 193,495.85, 290,132.03 and 75,028.79 is: 112,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,495.85 : 290,132.03 = 75,028.79 : x
  2. Step 2: Convert to fraction form
    193,495.85/290,132.03 = 75,028.79/x
  3. Step 3: Cross multiply
    193,495.85x = 290,132.03 × 75,028.79
  4. Step 4: Simplify right side
    193,495.85x = 21,768,256,524.80
  5. Step 5: Solve for x
    x = 21,768,256,524.80/193,495.85
  6. Step 6: Final answer
    x = 112,499.86

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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.