Finding the Fourth Proportional to 110.19, 164.93 and 93.79
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Solution
The fourth proportional to 110.19, 164.93 and 93.79 is: 140.38
Step by Step Solution
- Step 1: Write the proportion equation
110.19 : 164.93 = 93.79 : x - Step 2: Convert to fraction form
110.19/164.93 = 93.79/x - Step 3: Cross multiply
110.19x = 164.93 × 93.79 - Step 4: Simplify right side
110.19x = 15,467.96 - Step 5: Solve for x
x = 15,467.96/110.19 - Step 6: Final answer
x = 140.38
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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.