Finding the Fourth Proportional to 127,226.72, 190,877.01 and 51,286.07
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Solution
The fourth proportional to 127,226.72, 190,877.01 and 51,286.07 is: 76,943.99
Step by Step Solution
- Step 1: Write the proportion equation
127,226.72 : 190,877.01 = 51,286.07 : x - Step 2: Convert to fraction form
127,226.72/190,877.01 = 51,286.07/x - Step 3: Cross multiply
127,226.72x = 190,877.01 × 51,286.07 - Step 4: Simplify right side
127,226.72x = 9,789,330,909.47 - Step 5: Solve for x
x = 9,789,330,909.47/127,226.72 - Step 6: Final answer
x = 76,943.99
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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.