Finding the Fourth Proportional to 129,601.11, 194,427.99 and 54,721.47
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Solution
The fourth proportional to 129,601.11, 194,427.99 and 54,721.47 is: 82,093.32
Step by Step Solution
- Step 1: Write the proportion equation
129,601.11 : 194,427.99 = 54,721.47 : x - Step 2: Convert to fraction form
129,601.11/194,427.99 = 54,721.47/x - Step 3: Cross multiply
129,601.11x = 194,427.99 × 54,721.47 - Step 4: Simplify right side
129,601.11x = 10,639,385,421.95 - Step 5: Solve for x
x = 10,639,385,421.95/129,601.11 - Step 6: Final answer
x = 82,093.32
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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.