Finding the Fourth Proportional to 144,125.08, 198,884.36 and 80,466.92
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Solution
The fourth proportional to 144,125.08, 198,884.36 and 80,466.92 is: 111,039.74
Step by Step Solution
- Step 1: Write the proportion equation
144,125.08 : 198,884.36 = 80,466.92 : x - Step 2: Convert to fraction form
144,125.08/198,884.36 = 80,466.92/x - Step 3: Cross multiply
144,125.08x = 198,884.36 × 80,466.92 - Step 4: Simplify right side
144,125.08x = 16,003,611,885.37 - Step 5: Solve for x
x = 16,003,611,885.37/144,125.08 - Step 6: Final answer
x = 111,039.74
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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.