Finding the Fourth Proportional to 129,944.19, 194,916.06 and 94,630.08
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Solution
The fourth proportional to 129,944.19, 194,916.06 and 94,630.08 is: 141,944.96
Step by Step Solution
- Step 1: Write the proportion equation
129,944.19 : 194,916.06 = 94,630.08 : x - Step 2: Convert to fraction form
129,944.19/194,916.06 = 94,630.08/x - Step 3: Cross multiply
129,944.19x = 194,916.06 × 94,630.08 - Step 4: Simplify right side
129,944.19x = 18,444,922,351.08 - Step 5: Solve for x
x = 18,444,922,351.08/129,944.19 - Step 6: Final answer
x = 141,944.96
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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.