Home / 231,825.65-319,876.09-136,297.49

Finding the Fourth Proportional to 231,825.65, 319,876.09 and 136,297.49

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Solution

The fourth proportional to 231,825.65, 319,876.09 and 136,297.49 is: 188,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,825.65 : 319,876.09 = 136,297.49 : x
  2. Step 2: Convert to fraction form
    231,825.65/319,876.09 = 136,297.49/x
  3. Step 3: Cross multiply
    231,825.65x = 319,876.09 × 136,297.49
  4. Step 4: Simplify right side
    231,825.65x = 43,598,306,237.89
  5. Step 5: Solve for x
    x = 43,598,306,237.89/231,825.65
  6. Step 6: Final answer
    x = 188,065.07

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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.