Finding the Fourth Proportional to 124.51, 171.08 and 110.68
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Solution
The fourth proportional to 124.51, 171.08 and 110.68 is: 152.08
Step by Step Solution
- Step 1: Write the proportion equation
124.51 : 171.08 = 110.68 : x - Step 2: Convert to fraction form
124.51/171.08 = 110.68/x - Step 3: Cross multiply
124.51x = 171.08 × 110.68 - Step 4: Simplify right side
124.51x = 18,935.13 - Step 5: Solve for x
x = 18,935.13/124.51 - Step 6: Final answer
x = 152.08
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.