Finding the Fourth Proportional to 129,954.08, 194,930.97 and 48,916.23
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Solution
The fourth proportional to 129,954.08, 194,930.97 and 48,916.23 is: 73,374.29
Step by Step Solution
- Step 1: Write the proportion equation
129,954.08 : 194,930.97 = 48,916.23 : x - Step 2: Convert to fraction form
129,954.08/194,930.97 = 48,916.23/x - Step 3: Cross multiply
129,954.08x = 194,930.97 × 48,916.23 - Step 4: Simplify right side
129,954.08x = 9,535,288,162.64 - Step 5: Solve for x
x = 9,535,288,162.64/129,954.08 - Step 6: Final answer
x = 73,374.29
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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.