Finding the Fourth Proportional to 129,793.80, 194,258.70 and 94,153.80
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Solution
The fourth proportional to 129,793.80, 194,258.70 and 94,153.80 is: 140,917.32
Step by Step Solution
- Step 1: Write the proportion equation
129,793.80 : 194,258.70 = 94,153.80 : x - Step 2: Convert to fraction form
129,793.80/194,258.70 = 94,153.80/x - Step 3: Cross multiply
129,793.80x = 194,258.70 × 94,153.80 - Step 4: Simplify right side
129,793.80x = 18,290,194,788.06 - Step 5: Solve for x
x = 18,290,194,788.06/129,793.80 - Step 6: Final answer
x = 140,917.32
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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.