Home / 113,399.75-170,204.71-57,279.20

Finding the Fourth Proportional to 113,399.75, 170,204.71 and 57,279.20

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Solution

The fourth proportional to 113,399.75, 170,204.71 and 57,279.20 is: 85,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,399.75 : 170,204.71 = 57,279.20 : x
  2. Step 2: Convert to fraction form
    113,399.75/170,204.71 = 57,279.20/x
  3. Step 3: Cross multiply
    113,399.75x = 170,204.71 × 57,279.20
  4. Step 4: Simplify right side
    113,399.75x = 9,749,188,771.97
  5. Step 5: Solve for x
    x = 9,749,188,771.97/113,399.75
  6. Step 6: Final answer
    x = 85,971.87

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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.