Home / 185,052.28-255,371.94-100,169.32

Finding the Fourth Proportional to 185,052.28, 255,371.94 and 100,169.32

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Solution

The fourth proportional to 185,052.28, 255,371.94 and 100,169.32 is: 138,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,052.28 : 255,371.94 = 100,169.32 : x
  2. Step 2: Convert to fraction form
    185,052.28/255,371.94 = 100,169.32/x
  3. Step 3: Cross multiply
    185,052.28x = 255,371.94 × 100,169.32
  4. Step 4: Simplify right side
    185,052.28x = 25,580,433,576.88
  5. Step 5: Solve for x
    x = 25,580,433,576.88/185,052.28
  6. Step 6: Final answer
    x = 138,233.55

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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.