Finding the Fourth Proportional to 127,936.08, 191,780.19 and 71,803.08
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Solution
The fourth proportional to 127,936.08, 191,780.19 and 71,803.08 is: 107,635.07
Step by Step Solution
- Step 1: Write the proportion equation
127,936.08 : 191,780.19 = 71,803.08 : x - Step 2: Convert to fraction form
127,936.08/191,780.19 = 71,803.08/x - Step 3: Cross multiply
127,936.08x = 191,780.19 × 71,803.08 - Step 4: Simplify right side
127,936.08x = 13,770,408,324.99 - Step 5: Solve for x
x = 13,770,408,324.99/127,936.08 - Step 6: Final answer
x = 107,635.07
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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.