Home / 115,898.03-159,911.85-65,597.03

Finding the Fourth Proportional to 115,898.03, 159,911.85 and 65,597.03

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Solution

The fourth proportional to 115,898.03, 159,911.85 and 65,597.03 is: 90,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,898.03 : 159,911.85 = 65,597.03 : x
  2. Step 2: Convert to fraction form
    115,898.03/159,911.85 = 65,597.03/x
  3. Step 3: Cross multiply
    115,898.03x = 159,911.85 × 65,597.03
  4. Step 4: Simplify right side
    115,898.03x = 10,489,741,622.25
  5. Step 5: Solve for x
    x = 10,489,741,622.25/115,898.03
  6. Step 6: Final answer
    x = 90,508.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.