Finding the Fourth Proportional to 126,365.55, 189,339.96 and 113,343.99
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Solution
The fourth proportional to 126,365.55, 189,339.96 and 113,343.99 is: 169,829.09
Step by Step Solution
- Step 1: Write the proportion equation
126,365.55 : 189,339.96 = 113,343.99 : x - Step 2: Convert to fraction form
126,365.55/189,339.96 = 113,343.99/x - Step 3: Cross multiply
126,365.55x = 189,339.96 × 113,343.99 - Step 4: Simplify right side
126,365.55x = 21,460,546,532.84 - Step 5: Solve for x
x = 21,460,546,532.84/126,365.55 - Step 6: Final answer
x = 169,829.09
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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.