Home / 239,993.30-331,184.40-132,561.02

Finding the Fourth Proportional to 239,993.30, 331,184.40 and 132,561.02

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Solution

The fourth proportional to 239,993.30, 331,184.40 and 132,561.02 is: 182,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,993.30 : 331,184.40 = 132,561.02 : x
  2. Step 2: Convert to fraction form
    239,993.30/331,184.40 = 132,561.02/x
  3. Step 3: Cross multiply
    239,993.30x = 331,184.40 × 132,561.02
  4. Step 4: Simplify right side
    239,993.30x = 43,902,141,872.09
  5. Step 5: Solve for x
    x = 43,902,141,872.09/239,993.30
  6. Step 6: Final answer
    x = 182,930.70

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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.