Home / 185,014.82-255,320.01-100,131.95

Finding the Fourth Proportional to 185,014.82, 255,320.01 and 100,131.95

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Solution

The fourth proportional to 185,014.82, 255,320.01 and 100,131.95 is: 138,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,014.82 : 255,320.01 = 100,131.95 : x
  2. Step 2: Convert to fraction form
    185,014.82/255,320.01 = 100,131.95/x
  3. Step 3: Cross multiply
    185,014.82x = 255,320.01 × 100,131.95
  4. Step 4: Simplify right side
    185,014.82x = 25,565,689,198.72
  5. Step 5: Solve for x
    x = 25,565,689,198.72/185,014.82
  6. Step 6: Final answer
    x = 138,181.85

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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.