Finding the Fourth Proportional to 124.18, 184.93 and 120.99
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Solution
The fourth proportional to 124.18, 184.93 and 120.99 is: 180.18
Step by Step Solution
- Step 1: Write the proportion equation
124.18 : 184.93 = 120.99 : x - Step 2: Convert to fraction form
124.18/184.93 = 120.99/x - Step 3: Cross multiply
124.18x = 184.93 × 120.99 - Step 4: Simplify right side
124.18x = 22,375.75 - Step 5: Solve for x
x = 22,375.75/124.18 - Step 6: Final answer
x = 180.18
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.