Finding the Fourth Proportional to 124,414.21, 171,690.73 and 67,825.99
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Solution
The fourth proportional to 124,414.21, 171,690.73 and 67,825.99 is: 93,599.39
Step by Step Solution
- Step 1: Write the proportion equation
124,414.21 : 171,690.73 = 67,825.99 : x - Step 2: Convert to fraction form
124,414.21/171,690.73 = 67,825.99/x - Step 3: Cross multiply
124,414.21x = 171,690.73 × 67,825.99 - Step 4: Simplify right side
124,414.21x = 11,645,093,736.07 - Step 5: Solve for x
x = 11,645,093,736.07/124,414.21 - Step 6: Final answer
x = 93,599.39
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1.5x scale
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.