Home / 239,175.75-330,062.54-131,745.45

Finding the Fourth Proportional to 239,175.75, 330,062.54 and 131,745.45

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Solution

The fourth proportional to 239,175.75, 330,062.54 and 131,745.45 is: 181,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,175.75 : 330,062.54 = 131,745.45 : x
  2. Step 2: Convert to fraction form
    239,175.75/330,062.54 = 131,745.45/x
  3. Step 3: Cross multiply
    239,175.75x = 330,062.54 × 131,745.45
  4. Step 4: Simplify right side
    239,175.75x = 43,484,237,201.72
  5. Step 5: Solve for x
    x = 43,484,237,201.72/239,175.75
  6. Step 6: Final answer
    x = 181,808.72

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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.