Home / 239,159.58-330,040.19-131,729.61

Finding the Fourth Proportional to 239,159.58, 330,040.19 and 131,729.61

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Solution

The fourth proportional to 239,159.58, 330,040.19 and 131,729.61 is: 181,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,159.58 : 330,040.19 = 131,729.61 : x
  2. Step 2: Convert to fraction form
    239,159.58/330,040.19 = 131,729.61/x
  3. Step 3: Cross multiply
    239,159.58x = 330,040.19 × 131,729.61
  4. Step 4: Simplify right side
    239,159.58x = 43,476,064,854.38
  5. Step 5: Solve for x
    x = 43,476,064,854.38/239,159.58
  6. Step 6: Final answer
    x = 181,786.84

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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.