Finding the Fourth Proportional to 122,740.26, 169,379.94 and 69,025.26
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Solution
The fourth proportional to 122,740.26, 169,379.94 and 69,025.26 is: 95,253.95
Step by Step Solution
- Step 1: Write the proportion equation
122,740.26 : 169,379.94 = 69,025.26 : x - Step 2: Convert to fraction form
122,740.26/169,379.94 = 69,025.26/x - Step 3: Cross multiply
122,740.26x = 169,379.94 × 69,025.26 - Step 4: Simplify right side
122,740.26x = 11,691,494,397.28 - Step 5: Solve for x
x = 11,691,494,397.28/122,740.26 - Step 6: Final answer
x = 95,253.95
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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.