Finding the Fourth Proportional to 129,922.80, 194,452.20 and 94,282.80
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Solution
The fourth proportional to 129,922.80, 194,452.20 and 94,282.80 is: 141,110.70
Step by Step Solution
- Step 1: Write the proportion equation
129,922.80 : 194,452.20 = 94,282.80 : x - Step 2: Convert to fraction form
129,922.80/194,452.20 = 94,282.80/x - Step 3: Cross multiply
129,922.80x = 194,452.20 × 94,282.80 - Step 4: Simplify right side
129,922.80x = 18,333,497,882.16 - Step 5: Solve for x
x = 18,333,497,882.16/129,922.80 - Step 6: Final answer
x = 141,110.70
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1.5x scale
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.