Finding the Fourth Proportional to 126,322.93, 174,321.08 and 69,733.09
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Solution
The fourth proportional to 126,322.93, 174,321.08 and 69,733.09 is: 96,229.14
Step by Step Solution
- Step 1: Write the proportion equation
126,322.93 : 174,321.08 = 69,733.09 : x - Step 2: Convert to fraction form
126,322.93/174,321.08 = 69,733.09/x - Step 3: Cross multiply
126,322.93x = 174,321.08 × 69,733.09 - Step 4: Simplify right side
126,322.93x = 12,155,947,211.87 - Step 5: Solve for x
x = 12,155,947,211.87/126,322.93 - Step 6: Final answer
x = 96,229.14
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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.