Finding the Fourth Proportional to 107,424.96, 160,997.28 and 54,790.08
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Solution
The fourth proportional to 107,424.96, 160,997.28 and 54,790.08 is: 82,113.63
Step by Step Solution
- Step 1: Write the proportion equation
107,424.96 : 160,997.28 = 54,790.08 : x - Step 2: Convert to fraction form
107,424.96/160,997.28 = 54,790.08/x - Step 3: Cross multiply
107,424.96x = 160,997.28 × 54,790.08 - Step 4: Simplify right side
107,424.96x = 8,821,053,850.98 - Step 5: Solve for x
x = 8,821,053,850.98/107,424.96 - Step 6: Final answer
x = 82,113.63
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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.