Finding the Fourth Proportional to 129,060.80, 193,576.68 and 44,805.44
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Solution
The fourth proportional to 129,060.80, 193,576.68 and 44,805.44 is: 67,203.12
Step by Step Solution
- Step 1: Write the proportion equation
129,060.80 : 193,576.68 = 44,805.44 : x - Step 2: Convert to fraction form
129,060.80/193,576.68 = 44,805.44/x - Step 3: Cross multiply
129,060.80x = 193,576.68 × 44,805.44 - Step 4: Simplify right side
129,060.80x = 8,673,288,321.14 - Step 5: Solve for x
x = 8,673,288,321.14/129,060.80 - Step 6: Final answer
x = 67,203.12
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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.