Finding the Fourth Proportional to 136,878.67, 205,183.07 and 48,069.90
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Solution
The fourth proportional to 136,878.67, 205,183.07 and 48,069.90 is: 72,057.46
Step by Step Solution
- Step 1: Write the proportion equation
136,878.67 : 205,183.07 = 48,069.90 : x - Step 2: Convert to fraction form
136,878.67/205,183.07 = 48,069.90/x - Step 3: Cross multiply
136,878.67x = 205,183.07 × 48,069.90 - Step 4: Simplify right side
136,878.67x = 9,863,129,416.24 - Step 5: Solve for x
x = 9,863,129,416.24/136,878.67 - Step 6: Final answer
x = 72,057.46
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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.