Home / 251,966.58-347,714.82-138,789.06

Finding the Fourth Proportional to 251,966.58, 347,714.82 and 138,789.06

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Solution

The fourth proportional to 251,966.58, 347,714.82 and 138,789.06 is: 191,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,966.58 : 347,714.82 = 138,789.06 : x
  2. Step 2: Convert to fraction form
    251,966.58/347,714.82 = 138,789.06/x
  3. Step 3: Cross multiply
    251,966.58x = 347,714.82 × 138,789.06
  4. Step 4: Simplify right side
    251,966.58x = 48,259,013,015.87
  5. Step 5: Solve for x
    x = 48,259,013,015.87/251,966.58
  6. Step 6: Final answer
    x = 191,529.42

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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.