Home / 251,787.91-347,467.30-137,067.38

Finding the Fourth Proportional to 251,787.91, 347,467.30 and 137,067.38

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Solution

The fourth proportional to 251,787.91, 347,467.30 and 137,067.38 is: 189,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,787.91 : 347,467.30 = 137,067.38 : x
  2. Step 2: Convert to fraction form
    251,787.91/347,467.30 = 137,067.38/x
  3. Step 3: Cross multiply
    251,787.91x = 347,467.30 × 137,067.38
  4. Step 4: Simplify right side
    251,787.91x = 47,626,432,446.67
  5. Step 5: Solve for x
    x = 47,626,432,446.67/251,787.91
  6. Step 6: Final answer
    x = 189,152.98

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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.