Finding the Fourth Proportional to 119.06, 178.44 and 82.70
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Solution
The fourth proportional to 119.06, 178.44 and 82.70 is: 123.95
Step by Step Solution
- Step 1: Write the proportion equation
119.06 : 178.44 = 82.70 : x - Step 2: Convert to fraction form
119.06/178.44 = 82.70/x - Step 3: Cross multiply
119.06x = 178.44 × 82.70 - Step 4: Simplify right side
119.06x = 14,756.99 - Step 5: Solve for x
x = 14,756.99/119.06 - Step 6: Final answer
x = 123.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.