Finding the Fourth Proportional to 147,120.21, 220,713.12 and 53,625.96
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Solution
The fourth proportional to 147,120.21, 220,713.12 and 53,625.96 is: 80,450.90
Step by Step Solution
- Step 1: Write the proportion equation
147,120.21 : 220,713.12 = 53,625.96 : x - Step 2: Convert to fraction form
147,120.21/220,713.12 = 53,625.96/x - Step 3: Cross multiply
147,120.21x = 220,713.12 × 53,625.96 - Step 4: Simplify right side
147,120.21x = 11,835,952,944.60 - Step 5: Solve for x
x = 11,835,952,944.60/147,120.21 - Step 6: Final answer
x = 80,450.90
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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.