Finding the Fourth Proportional to 107,913.87, 160,785.81 and 101,877.75
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Solution
The fourth proportional to 107,913.87, 160,785.81 and 101,877.75 is: 151,792.32
Step by Step Solution
- Step 1: Write the proportion equation
107,913.87 : 160,785.81 = 101,877.75 : x - Step 2: Convert to fraction form
107,913.87/160,785.81 = 101,877.75/x - Step 3: Cross multiply
107,913.87x = 160,785.81 × 101,877.75 - Step 4: Simplify right side
107,913.87x = 16,380,496,554.73 - Step 5: Solve for x
x = 16,380,496,554.73/107,913.87 - Step 6: Final answer
x = 151,792.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.