Home / 231,239.88-319,162.48-140,576.63

Finding the Fourth Proportional to 231,239.88, 319,162.48 and 140,576.63

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Solution

The fourth proportional to 231,239.88, 319,162.48 and 140,576.63 is: 194,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,239.88 : 319,162.48 = 140,576.63 : x
  2. Step 2: Convert to fraction form
    231,239.88/319,162.48 = 140,576.63/x
  3. Step 3: Cross multiply
    231,239.88x = 319,162.48 × 140,576.63
  4. Step 4: Simplify right side
    231,239.88x = 44,866,783,913.59
  5. Step 5: Solve for x
    x = 44,866,783,913.59/231,239.88
  6. Step 6: Final answer
    x = 194,027.02

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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.