Home / 115,194.37-158,969.99-64,205.68

Finding the Fourth Proportional to 115,194.37, 158,969.99 and 64,205.68

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Solution

The fourth proportional to 115,194.37, 158,969.99 and 64,205.68 is: 88,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,194.37 : 158,969.99 = 64,205.68 : x
  2. Step 2: Convert to fraction form
    115,194.37/158,969.99 = 64,205.68/x
  3. Step 3: Cross multiply
    115,194.37x = 158,969.99 × 64,205.68
  4. Step 4: Simplify right side
    115,194.37x = 10,206,775,191.66
  5. Step 5: Solve for x
    x = 10,206,775,191.66/115,194.37
  6. Step 6: Final answer
    x = 88,604.81

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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.