Finding the Fourth Proportional to 105,622.42, 158,433.74 and 26,736.65
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Solution
The fourth proportional to 105,622.42, 158,433.74 and 26,736.65 is: 40,105.00
Step by Step Solution
- Step 1: Write the proportion equation
105,622.42 : 158,433.74 = 26,736.65 : x - Step 2: Convert to fraction form
105,622.42/158,433.74 = 26,736.65/x - Step 3: Cross multiply
105,622.42x = 158,433.74 × 26,736.65 - Step 4: Simplify right side
105,622.42x = 4,235,986,729.24 - Step 5: Solve for x
x = 4,235,986,729.24/105,622.42 - Step 6: Final answer
x = 40,105.00
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1.5x scale
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.