Home / 251,890.44-347,611.14-138,714

Finding the Fourth Proportional to 251,890.44, 347,611.14 and 138,714

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Solution

The fourth proportional to 251,890.44, 347,611.14 and 138,714 is: 191,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,890.44 : 347,611.14 = 138,714 : x
  2. Step 2: Convert to fraction form
    251,890.44/347,611.14 = 138,714/x
  3. Step 3: Cross multiply
    251,890.44x = 347,611.14 × 138,714
  4. Step 4: Simplify right side
    251,890.44x = 48,218,531,673.96
  5. Step 5: Solve for x
    x = 48,218,531,673.96/251,890.44
  6. Step 6: Final answer
    x = 191,426.60

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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.