Home / 239,197.72-330,091.32-131,765.26

Finding the Fourth Proportional to 239,197.72, 330,091.32 and 131,765.26

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Solution

The fourth proportional to 239,197.72, 330,091.32 and 131,765.26 is: 181,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,197.72 : 330,091.32 = 131,765.26 : x
  2. Step 2: Convert to fraction form
    239,197.72/330,091.32 = 131,765.26/x
  3. Step 3: Cross multiply
    239,197.72x = 330,091.32 × 131,765.26
  4. Step 4: Simplify right side
    239,197.72x = 43,494,568,603.54
  5. Step 5: Solve for x
    x = 43,494,568,603.54/239,197.72
  6. Step 6: Final answer
    x = 181,835.21

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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.