Finding the Fourth Proportional to 126,503.68, 174,568.26 and 69,911.68
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Solution
The fourth proportional to 126,503.68, 174,568.26 and 69,911.68 is: 96,474.35
Step by Step Solution
- Step 1: Write the proportion equation
126,503.68 : 174,568.26 = 69,911.68 : x - Step 2: Convert to fraction form
126,503.68/174,568.26 = 69,911.68/x - Step 3: Cross multiply
126,503.68x = 174,568.26 × 69,911.68 - Step 4: Simplify right side
126,503.68x = 12,204,360,331.28 - Step 5: Solve for x
x = 12,204,360,331.28/126,503.68 - Step 6: Final answer
x = 96,474.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.