Finding the Fourth Proportional to 129,797.20, 194,695.80 and 94,367.80
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Solution
The fourth proportional to 129,797.20, 194,695.80 and 94,367.80 is: 141,551.70
Step by Step Solution
- Step 1: Write the proportion equation
129,797.20 : 194,695.80 = 94,367.80 : x - Step 2: Convert to fraction form
129,797.20/194,695.80 = 94,367.80/x - Step 3: Cross multiply
129,797.20x = 194,695.80 × 94,367.80 - Step 4: Simplify right side
129,797.20x = 18,373,014,315.24 - Step 5: Solve for x
x = 18,373,014,315.24/129,797.20 - Step 6: Final answer
x = 141,551.70
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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.