Home / 231,744.37-319,839.61-167,421.70

Finding the Fourth Proportional to 231,744.37, 319,839.61 and 167,421.70

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Solution

The fourth proportional to 231,744.37, 319,839.61 and 167,421.70 is: 231,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,744.37 : 319,839.61 = 167,421.70 : x
  2. Step 2: Convert to fraction form
    231,744.37/319,839.61 = 167,421.70/x
  3. Step 3: Cross multiply
    231,744.37x = 319,839.61 × 167,421.70
  4. Step 4: Simplify right side
    231,744.37x = 53,548,091,233.54
  5. Step 5: Solve for x
    x = 53,548,091,233.54/231,744.37
  6. Step 6: Final answer
    x = 231,065.34

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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.