Finding the Fourth Proportional to 107,865.66, 161,806.68 and 36,766.20
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Solution
The fourth proportional to 107,865.66, 161,806.68 and 36,766.20 is: 55,152.09
Step by Step Solution
- Step 1: Write the proportion equation
107,865.66 : 161,806.68 = 36,766.20 : x - Step 2: Convert to fraction form
107,865.66/161,806.68 = 36,766.20/x - Step 3: Cross multiply
107,865.66x = 161,806.68 × 36,766.20 - Step 4: Simplify right side
107,865.66x = 5,949,016,758.22 - Step 5: Solve for x
x = 5,949,016,758.22/107,865.66 - Step 6: Final answer
x = 55,152.09
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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.