Finding the Fourth Proportional to 119.04, 164.19 and 87.99
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Solution
The fourth proportional to 119.04, 164.19 and 87.99 is: 121.36
Step by Step Solution
- Step 1: Write the proportion equation
119.04 : 164.19 = 87.99 : x - Step 2: Convert to fraction form
119.04/164.19 = 87.99/x - Step 3: Cross multiply
119.04x = 164.19 × 87.99 - Step 4: Simplify right side
119.04x = 14,447.08 - Step 5: Solve for x
x = 14,447.08/119.04 - Step 6: Final answer
x = 121.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.