Home / 185,272.44-255,676.86-100,389.48

Finding the Fourth Proportional to 185,272.44, 255,676.86 and 100,389.48

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Solution

The fourth proportional to 185,272.44, 255,676.86 and 100,389.48 is: 138,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,272.44 : 255,676.86 = 100,389.48 : x
  2. Step 2: Convert to fraction form
    185,272.44/255,676.86 = 100,389.48/x
  3. Step 3: Cross multiply
    185,272.44x = 255,676.86 × 100,389.48
  4. Step 4: Simplify right side
    185,272.44x = 25,667,267,023.43
  5. Step 5: Solve for x
    x = 25,667,267,023.43/185,272.44
  6. Step 6: Final answer
    x = 138,537.97

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1.5x scale

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.