Finding the Fourth Proportional to 120,136.05, 180,201.63 and 35,896.46
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Solution
The fourth proportional to 120,136.05, 180,201.63 and 35,896.46 is: 53,843.95
Step by Step Solution
- Step 1: Write the proportion equation
120,136.05 : 180,201.63 = 35,896.46 : x - Step 2: Convert to fraction form
120,136.05/180,201.63 = 35,896.46/x - Step 3: Cross multiply
120,136.05x = 180,201.63 × 35,896.46 - Step 4: Simplify right side
120,136.05x = 6,468,599,702.22 - Step 5: Solve for x
x = 6,468,599,702.22/120,136.05 - Step 6: Final answer
x = 53,843.95
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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.