Finding the Fourth Proportional to 110,720.70, 166,032.45 and 44,138.70
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Solution
The fourth proportional to 110,720.70, 166,032.45 and 44,138.70 is: 66,188.68
Step by Step Solution
- Step 1: Write the proportion equation
110,720.70 : 166,032.45 = 44,138.70 : x - Step 2: Convert to fraction form
110,720.70/166,032.45 = 44,138.70/x - Step 3: Cross multiply
110,720.70x = 166,032.45 × 44,138.70 - Step 4: Simplify right side
110,720.70x = 7,328,456,500.82 - Step 5: Solve for x
x = 7,328,456,500.82/110,720.70 - Step 6: Final answer
x = 66,188.68
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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.