Home / 115,999.88-160,091.07-65,021.27

Finding the Fourth Proportional to 115,999.88, 160,091.07 and 65,021.27

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Solution

The fourth proportional to 115,999.88, 160,091.07 and 65,021.27 is: 89,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.88 : 160,091.07 = 65,021.27 : x
  2. Step 2: Convert to fraction form
    115,999.88/160,091.07 = 65,021.27/x
  3. Step 3: Cross multiply
    115,999.88x = 160,091.07 × 65,021.27
  4. Step 4: Simplify right side
    115,999.88x = 10,409,324,687.06
  5. Step 5: Solve for x
    x = 10,409,324,687.06/115,999.88
  6. Step 6: Final answer
    x = 89,735.65

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1.5x scale

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.