Finding the Fourth Proportional to 110,865.21, 166,194.14 and 40,725.69
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Solution
The fourth proportional to 110,865.21, 166,194.14 and 40,725.69 is: 61,050.45
Step by Step Solution
- Step 1: Write the proportion equation
110,865.21 : 166,194.14 = 40,725.69 : x - Step 2: Convert to fraction form
110,865.21/166,194.14 = 40,725.69/x - Step 3: Cross multiply
110,865.21x = 166,194.14 × 40,725.69 - Step 4: Simplify right side
110,865.21x = 6,768,370,821.83 - Step 5: Solve for x
x = 6,768,370,821.83/110,865.21 - Step 6: Final answer
x = 61,050.45
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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.