Finding the Fourth Proportional to 142,940.16, 214,323.84 and 68,083.20
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Solution
The fourth proportional to 142,940.16, 214,323.84 and 68,083.20 is: 102,083.65
Step by Step Solution
- Step 1: Write the proportion equation
142,940.16 : 214,323.84 = 68,083.20 : x - Step 2: Convert to fraction form
142,940.16/214,323.84 = 68,083.20/x - Step 3: Cross multiply
142,940.16x = 214,323.84 × 68,083.20 - Step 4: Simplify right side
142,940.16x = 14,591,852,863.49 - Step 5: Solve for x
x = 14,591,852,863.49/142,940.16 - Step 6: Final answer
x = 102,083.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.