Finding the Fourth Proportional to 107,719.74, 161,575.29 and 41,157.18
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Solution
The fourth proportional to 107,719.74, 161,575.29 and 41,157.18 is: 61,734.12
Step by Step Solution
- Step 1: Write the proportion equation
107,719.74 : 161,575.29 = 41,157.18 : x - Step 2: Convert to fraction form
107,719.74/161,575.29 = 41,157.18/x - Step 3: Cross multiply
107,719.74x = 161,575.29 × 41,157.18 - Step 4: Simplify right side
107,719.74x = 6,649,983,294.08 - Step 5: Solve for x
x = 6,649,983,294.08/107,719.74 - Step 6: Final answer
x = 61,734.12
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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.