Finding the Fourth Proportional to 132,172.14, 198,193.08 and 47,919.65
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Solution
The fourth proportional to 132,172.14, 198,193.08 and 47,919.65 is: 71,855.85
Step by Step Solution
- Step 1: Write the proportion equation
132,172.14 : 198,193.08 = 47,919.65 : x - Step 2: Convert to fraction form
132,172.14/198,193.08 = 47,919.65/x - Step 3: Cross multiply
132,172.14x = 198,193.08 × 47,919.65 - Step 4: Simplify right side
132,172.14x = 9,497,342,035.06 - Step 5: Solve for x
x = 9,497,342,035.06/132,172.14 - Step 6: Final answer
x = 71,855.85
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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.