Finding the Fourth Proportional to 125.24, 186.99 and 107.01
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Solution
The fourth proportional to 125.24, 186.99 and 107.01 is: 159.78
Step by Step Solution
- Step 1: Write the proportion equation
125.24 : 186.99 = 107.01 : x - Step 2: Convert to fraction form
125.24/186.99 = 107.01/x - Step 3: Cross multiply
125.24x = 186.99 × 107.01 - Step 4: Simplify right side
125.24x = 20,009.80 - Step 5: Solve for x
x = 20,009.80/125.24 - Step 6: Final answer
x = 159.78
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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.