Home / 185,052.78-255,372.63-100,169.82

Finding the Fourth Proportional to 185,052.78, 255,372.63 and 100,169.82

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Solution

The fourth proportional to 185,052.78, 255,372.63 and 100,169.82 is: 138,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,052.78 : 255,372.63 = 100,169.82 : x
  2. Step 2: Convert to fraction form
    185,052.78/255,372.63 = 100,169.82/x
  3. Step 3: Cross multiply
    185,052.78x = 255,372.63 × 100,169.82
  4. Step 4: Simplify right side
    185,052.78x = 25,580,630,380.03
  5. Step 5: Solve for x
    x = 25,580,630,380.03/185,052.78
  6. Step 6: Final answer
    x = 138,234.24

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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.