Home / 188,278.50-259,759.37-120,335.24

Finding the Fourth Proportional to 188,278.50, 259,759.37 and 120,335.24

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Solution

The fourth proportional to 188,278.50, 259,759.37 and 120,335.24 is: 166,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,278.50 : 259,759.37 = 120,335.24 : x
  2. Step 2: Convert to fraction form
    188,278.50/259,759.37 = 120,335.24/x
  3. Step 3: Cross multiply
    188,278.50x = 259,759.37 × 120,335.24
  4. Step 4: Simplify right side
    188,278.50x = 31,258,206,131.20
  5. Step 5: Solve for x
    x = 31,258,206,131.20/188,278.50
  6. Step 6: Final answer
    x = 166,021.11

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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.