Finding the Fourth Proportional to 102,296.22, 141,163.23 and 56,346.93
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Solution
The fourth proportional to 102,296.22, 141,163.23 and 56,346.93 is: 77,755.70
Step by Step Solution
- Step 1: Write the proportion equation
102,296.22 : 141,163.23 = 56,346.93 : x - Step 2: Convert to fraction form
102,296.22/141,163.23 = 56,346.93/x - Step 3: Cross multiply
102,296.22x = 141,163.23 × 56,346.93 - Step 4: Simplify right side
102,296.22x = 7,954,114,639.38 - Step 5: Solve for x
x = 7,954,114,639.38/102,296.22 - Step 6: Final answer
x = 77,755.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.