Finding the Fourth Proportional to 131,119.24, 196,328.94 and 68,658.44
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Solution
The fourth proportional to 131,119.24, 196,328.94 and 68,658.44 is: 102,804.43
Step by Step Solution
- Step 1: Write the proportion equation
131,119.24 : 196,328.94 = 68,658.44 : x - Step 2: Convert to fraction form
131,119.24/196,328.94 = 68,658.44/x - Step 3: Cross multiply
131,119.24x = 196,328.94 × 68,658.44 - Step 4: Simplify right side
131,119.24x = 13,479,638,747.25 - Step 5: Solve for x
x = 13,479,638,747.25/131,119.24 - Step 6: Final answer
x = 102,804.43
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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.