Home / 251,714.45-347,372.35-136,999.32

Finding the Fourth Proportional to 251,714.45, 347,372.35 and 136,999.32

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Solution

The fourth proportional to 251,714.45, 347,372.35 and 136,999.32 is: 189,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,714.45 : 347,372.35 = 136,999.32 : x
  2. Step 2: Convert to fraction form
    251,714.45/347,372.35 = 136,999.32/x
  3. Step 3: Cross multiply
    251,714.45x = 347,372.35 × 136,999.32
  4. Step 4: Simplify right side
    251,714.45x = 47,589,774,091.66
  5. Step 5: Solve for x
    x = 47,589,774,091.66/251,714.45
  6. Step 6: Final answer
    x = 189,062.54

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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.