Finding the Fourth Proportional to 122,552.56, 169,122.62 and 68,837.60
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Solution
The fourth proportional to 122,552.56, 169,122.62 and 68,837.60 is: 94,995.94
Step by Step Solution
- Step 1: Write the proportion equation
122,552.56 : 169,122.62 = 68,837.60 : x - Step 2: Convert to fraction form
122,552.56/169,122.62 = 68,837.60/x - Step 3: Cross multiply
122,552.56x = 169,122.62 × 68,837.60 - Step 4: Simplify right side
122,552.56x = 11,641,994,922.32 - Step 5: Solve for x
x = 11,641,994,922.32/122,552.56 - Step 6: Final answer
x = 94,995.94
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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.