Home / 75,150.75-112,733.60-27,778.26

Finding the Fourth Proportional to 75,150.75, 112,733.60 and 27,778.26

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Solution

The fourth proportional to 75,150.75, 112,733.60 and 27,778.26 is: 41,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.75 : 112,733.60 = 27,778.26 : x
  2. Step 2: Convert to fraction form
    75,150.75/112,733.60 = 27,778.26/x
  3. Step 3: Cross multiply
    75,150.75x = 112,733.60 × 27,778.26
  4. Step 4: Simplify right side
    75,150.75x = 3,131,543,112.64
  5. Step 5: Solve for x
    x = 3,131,543,112.64/75,150.75
  6. Step 6: Final answer
    x = 41,670.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.