Finding the Fourth Proportional to 126,300.19, 189,350.97 and 63,087.70
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Solution
The fourth proportional to 126,300.19, 189,350.97 and 63,087.70 is: 94,581.94
Step by Step Solution
- Step 1: Write the proportion equation
126,300.19 : 189,350.97 = 63,087.70 : x - Step 2: Convert to fraction form
126,300.19/189,350.97 = 63,087.70/x - Step 3: Cross multiply
126,300.19x = 189,350.97 × 63,087.70 - Step 4: Simplify right side
126,300.19x = 11,945,717,190.07 - Step 5: Solve for x
x = 11,945,717,190.07/126,300.19 - Step 6: Final answer
x = 94,581.94
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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.