Home / 238,917.75-329,714.27-136,962.54

Finding the Fourth Proportional to 238,917.75, 329,714.27 and 136,962.54

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Solution

The fourth proportional to 238,917.75, 329,714.27 and 136,962.54 is: 189,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,917.75 : 329,714.27 = 136,962.54 : x
  2. Step 2: Convert to fraction form
    238,917.75/329,714.27 = 136,962.54/x
  3. Step 3: Cross multiply
    238,917.75x = 329,714.27 × 136,962.54
  4. Step 4: Simplify right side
    238,917.75x = 45,158,503,208.63
  5. Step 5: Solve for x
    x = 45,158,503,208.63/238,917.75
  6. Step 6: Final answer
    x = 189,012.76

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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.