Home / 231,261.54-319,239.30-140,646.61

Finding the Fourth Proportional to 231,261.54, 319,239.30 and 140,646.61

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Solution

The fourth proportional to 231,261.54, 319,239.30 and 140,646.61 is: 194,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,261.54 : 319,239.30 = 140,646.61 : x
  2. Step 2: Convert to fraction form
    231,261.54/319,239.30 = 140,646.61/x
  3. Step 3: Cross multiply
    231,261.54x = 319,239.30 × 140,646.61
  4. Step 4: Simplify right side
    231,261.54x = 44,899,925,147.96
  5. Step 5: Solve for x
    x = 44,899,925,147.96/231,261.54
  6. Step 6: Final answer
    x = 194,152.15

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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.