Home / 239,350.76-330,323.04-131,939.90

Finding the Fourth Proportional to 239,350.76, 330,323.04 and 131,939.90

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Solution

The fourth proportional to 239,350.76, 330,323.04 and 131,939.90 is: 182,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,350.76 : 330,323.04 = 131,939.90 : x
  2. Step 2: Convert to fraction form
    239,350.76/330,323.04 = 131,939.90/x
  3. Step 3: Cross multiply
    239,350.76x = 330,323.04 × 131,939.90
  4. Step 4: Simplify right side
    239,350.76x = 43,582,788,865.30
  5. Step 5: Solve for x
    x = 43,582,788,865.30/239,350.76
  6. Step 6: Final answer
    x = 182,087.53

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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.