Home / 185,078.52-255,408.44-100,195.58

Finding the Fourth Proportional to 185,078.52, 255,408.44 and 100,195.58

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Solution

The fourth proportional to 185,078.52, 255,408.44 and 100,195.58 is: 138,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,078.52 : 255,408.44 = 100,195.58 : x
  2. Step 2: Convert to fraction form
    185,078.52/255,408.44 = 100,195.58/x
  3. Step 3: Cross multiply
    185,078.52x = 255,408.44 × 100,195.58
  4. Step 4: Simplify right side
    185,078.52x = 25,590,796,782.70
  5. Step 5: Solve for x
    x = 25,590,796,782.70/185,078.52
  6. Step 6: Final answer
    x = 138,269.95

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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.