Home / 239,287.06-330,230.82-131,857.03

Finding the Fourth Proportional to 239,287.06, 330,230.82 and 131,857.03

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Solution

The fourth proportional to 239,287.06, 330,230.82 and 131,857.03 is: 181,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,287.06 : 330,230.82 = 131,857.03 : x
  2. Step 2: Convert to fraction form
    239,287.06/330,230.82 = 131,857.03/x
  3. Step 3: Cross multiply
    239,287.06x = 330,230.82 × 131,857.03
  4. Step 4: Simplify right side
    239,287.06x = 43,543,255,139.66
  5. Step 5: Solve for x
    x = 43,543,255,139.66/239,287.06
  6. Step 6: Final answer
    x = 181,970.79

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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.