Finding the Fourth Proportional to 106,647.12, 160,067.68 and 56,769.44
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Solution
The fourth proportional to 106,647.12, 160,067.68 and 56,769.44 is: 85,205.79
Step by Step Solution
- Step 1: Write the proportion equation
106,647.12 : 160,067.68 = 56,769.44 : x - Step 2: Convert to fraction form
106,647.12/160,067.68 = 56,769.44/x - Step 3: Cross multiply
106,647.12x = 160,067.68 × 56,769.44 - Step 4: Simplify right side
106,647.12x = 9,086,952,555.70 - Step 5: Solve for x
x = 9,086,952,555.70/106,647.12 - Step 6: Final answer
x = 85,205.79
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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.