Home / 231,724.32-319,806.48-141,133.44

Finding the Fourth Proportional to 231,724.32, 319,806.48 and 141,133.44

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Solution

The fourth proportional to 231,724.32, 319,806.48 and 141,133.44 is: 194,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,724.32 : 319,806.48 = 141,133.44 : x
  2. Step 2: Convert to fraction form
    231,724.32/319,806.48 = 141,133.44/x
  3. Step 3: Cross multiply
    231,724.32x = 319,806.48 × 141,133.44
  4. Step 4: Simplify right side
    231,724.32x = 45,135,388,656.69
  5. Step 5: Solve for x
    x = 45,135,388,656.69/231,724.32
  6. Step 6: Final answer
    x = 194,780.54

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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.