Home / 259,626.54-389,613.77-91,147.37

Finding the Fourth Proportional to 259,626.54, 389,613.77 and 91,147.37

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Solution

The fourth proportional to 259,626.54, 389,613.77 and 91,147.37 is: 136,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,626.54 : 389,613.77 = 91,147.37 : x
  2. Step 2: Convert to fraction form
    259,626.54/389,613.77 = 91,147.37/x
  3. Step 3: Cross multiply
    259,626.54x = 389,613.77 × 91,147.37
  4. Step 4: Simplify right side
    259,626.54x = 35,512,268,047.48
  5. Step 5: Solve for x
    x = 35,512,268,047.48/259,626.54
  6. Step 6: Final answer
    x = 136,782.12

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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.