Finding the Fourth Proportional to 91,794.44, 137,424.22 and 68,206.54
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Solution
The fourth proportional to 91,794.44, 137,424.22 and 68,206.54 is: 102,111.09
Step by Step Solution
- Step 1: Write the proportion equation
91,794.44 : 137,424.22 = 68,206.54 : x - Step 2: Convert to fraction form
91,794.44/137,424.22 = 68,206.54/x - Step 3: Cross multiply
91,794.44x = 137,424.22 × 68,206.54 - Step 4: Simplify right side
91,794.44x = 9,373,230,558.40 - Step 5: Solve for x
x = 9,373,230,558.40/91,794.44 - Step 6: Final answer
x = 102,111.09
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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.