Finding the Fourth Proportional to 129,583.24, 194,122.66 and 73,252.95
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Solution
The fourth proportional to 129,583.24, 194,122.66 and 73,252.95 is: 109,736.86
Step by Step Solution
- Step 1: Write the proportion equation
129,583.24 : 194,122.66 = 73,252.95 : x - Step 2: Convert to fraction form
129,583.24/194,122.66 = 73,252.95/x - Step 3: Cross multiply
129,583.24x = 194,122.66 × 73,252.95 - Step 4: Simplify right side
129,583.24x = 14,220,057,506.85 - Step 5: Solve for x
x = 14,220,057,506.85/129,583.24 - Step 6: Final answer
x = 109,736.86
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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.