Finding the Fourth Proportional to 119.75, 165.26 and 68
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Solution
The fourth proportional to 119.75, 165.26 and 68 is: 93.84
Step by Step Solution
- Step 1: Write the proportion equation
119.75 : 165.26 = 68 : x - Step 2: Convert to fraction form
119.75/165.26 = 68/x - Step 3: Cross multiply
119.75x = 165.26 × 68 - Step 4: Simplify right side
119.75x = 11,237.34 - Step 5: Solve for x
x = 11,237.34/119.75 - Step 6: Final answer
x = 93.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.