Finding the Fourth Proportional to 122,625.26, 169,230.63 and 68,183.54
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Solution
The fourth proportional to 122,625.26, 169,230.63 and 68,183.54 is: 94,097.61
Step by Step Solution
- Step 1: Write the proportion equation
122,625.26 : 169,230.63 = 68,183.54 : x - Step 2: Convert to fraction form
122,625.26/169,230.63 = 68,183.54/x - Step 3: Cross multiply
122,625.26x = 169,230.63 × 68,183.54 - Step 4: Simplify right side
122,625.26x = 11,538,743,429.83 - Step 5: Solve for x
x = 11,538,743,429.83/122,625.26 - Step 6: Final answer
x = 94,097.61
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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.