Finding the Fourth Proportional to 107,938.29, 161,697.06 and 65,713.68
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Solution
The fourth proportional to 107,938.29, 161,697.06 and 65,713.68 is: 98,442.44
Step by Step Solution
- Step 1: Write the proportion equation
107,938.29 : 161,697.06 = 65,713.68 : x - Step 2: Convert to fraction form
107,938.29/161,697.06 = 65,713.68/x - Step 3: Cross multiply
107,938.29x = 161,697.06 × 65,713.68 - Step 4: Simplify right side
107,938.29x = 10,625,708,857.78 - Step 5: Solve for x
x = 10,625,708,857.78/107,938.29 - Step 6: Final answer
x = 98,442.44
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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.