Finding the Fourth Proportional to 146,186.64, 201,737.61 and 79,118.64
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Solution
The fourth proportional to 146,186.64, 201,737.61 and 79,118.64 is: 109,183.75
Step by Step Solution
- Step 1: Write the proportion equation
146,186.64 : 201,737.61 = 79,118.64 : x - Step 2: Convert to fraction form
146,186.64/201,737.61 = 79,118.64/x - Step 3: Cross multiply
146,186.64x = 201,737.61 × 79,118.64 - Step 4: Simplify right side
146,186.64x = 15,961,205,340.05 - Step 5: Solve for x
x = 15,961,205,340.05/146,186.64 - Step 6: Final answer
x = 109,183.75
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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.