Finding the Fourth Proportional to 188,135.20, 259,626.75 and 107,564.42
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Solution
The fourth proportional to 188,135.20, 259,626.75 and 107,564.42 is: 148,438.99
Step by Step Solution
- Step 1: Write the proportion equation
188,135.20 : 259,626.75 = 107,564.42 : x - Step 2: Convert to fraction form
188,135.20/259,626.75 = 107,564.42/x - Step 3: Cross multiply
188,135.20x = 259,626.75 × 107,564.42 - Step 4: Simplify right side
188,135.20x = 27,926,599,482.10 - Step 5: Solve for x
x = 27,926,599,482.10/188,135.20 - Step 6: Final answer
x = 148,438.99
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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.