Finding the Fourth Proportional to 124,764.73, 187,107.84 and 40,505.42
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Solution
The fourth proportional to 124,764.73, 187,107.84 and 40,505.42 is: 60,745.39
Step by Step Solution
- Step 1: Write the proportion equation
124,764.73 : 187,107.84 = 40,505.42 : x - Step 2: Convert to fraction form
124,764.73/187,107.84 = 40,505.42/x - Step 3: Cross multiply
124,764.73x = 187,107.84 × 40,505.42 - Step 4: Simplify right side
124,764.73x = 7,578,882,112.26 - Step 5: Solve for x
x = 7,578,882,112.26/124,764.73 - Step 6: Final answer
x = 60,745.39
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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.