Finding the Fourth Proportional to 132,197.20, 198,296.16 and 92,930.08
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Solution
The fourth proportional to 132,197.20, 198,296.16 and 92,930.08 is: 139,395.37
Step by Step Solution
- Step 1: Write the proportion equation
132,197.20 : 198,296.16 = 92,930.08 : x - Step 2: Convert to fraction form
132,197.20/198,296.16 = 92,930.08/x - Step 3: Cross multiply
132,197.20x = 198,296.16 × 92,930.08 - Step 4: Simplify right side
132,197.20x = 18,427,678,012.49 - Step 5: Solve for x
x = 18,427,678,012.49/132,197.20 - Step 6: Final answer
x = 139,395.37
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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.