Home / 185,254.05-255,650.62-100,371.11

Finding the Fourth Proportional to 185,254.05, 255,650.62 and 100,371.11

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Solution

The fourth proportional to 185,254.05, 255,650.62 and 100,371.11 is: 138,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,254.05 : 255,650.62 = 100,371.11 : x
  2. Step 2: Convert to fraction form
    185,254.05/255,650.62 = 100,371.11/x
  3. Step 3: Cross multiply
    185,254.05x = 255,650.62 × 100,371.11
  4. Step 4: Simplify right side
    185,254.05x = 25,659,936,889.79
  5. Step 5: Solve for x
    x = 25,659,936,889.79/185,254.05
  6. Step 6: Final answer
    x = 138,512.15

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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.