Finding the Fourth Proportional to 106,832.64, 160,135.97 and 40,243.97
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Solution
The fourth proportional to 106,832.64, 160,135.97 and 40,243.97 is: 60,323.38
Step by Step Solution
- Step 1: Write the proportion equation
106,832.64 : 160,135.97 = 40,243.97 : x - Step 2: Convert to fraction form
106,832.64/160,135.97 = 40,243.97/x - Step 3: Cross multiply
106,832.64x = 160,135.97 × 40,243.97 - Step 4: Simplify right side
106,832.64x = 6,444,506,170.70 - Step 5: Solve for x
x = 6,444,506,170.70/106,832.64 - Step 6: Final answer
x = 60,323.38
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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.