Home / 231,867.56-319,977.24-131,265.56

Finding the Fourth Proportional to 231,867.56, 319,977.24 and 131,265.56

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Solution

The fourth proportional to 231,867.56, 319,977.24 and 131,265.56 is: 181,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,867.56 : 319,977.24 = 131,265.56 : x
  2. Step 2: Convert to fraction form
    231,867.56/319,977.24 = 131,265.56/x
  3. Step 3: Cross multiply
    231,867.56x = 319,977.24 × 131,265.56
  4. Step 4: Simplify right side
    231,867.56x = 42,001,991,903.55
  5. Step 5: Solve for x
    x = 42,001,991,903.55/231,867.56
  6. Step 6: Final answer
    x = 181,146.48

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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.