Finding the Fourth Proportional to 136,787.41, 205,253.34 and 97,063.09
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Solution
The fourth proportional to 136,787.41, 205,253.34 and 97,063.09 is: 145,645.89
Step by Step Solution
- Step 1: Write the proportion equation
136,787.41 : 205,253.34 = 97,063.09 : x - Step 2: Convert to fraction form
136,787.41/205,253.34 = 97,063.09/x - Step 3: Cross multiply
136,787.41x = 205,253.34 × 97,063.09 - Step 4: Simplify right side
136,787.41x = 19,922,523,413.22 - Step 5: Solve for x
x = 19,922,523,413.22/136,787.41 - Step 6: Final answer
x = 145,645.89
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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.