Finding the Fourth Proportional to 126,321.93, 174,319.70 and 69,732.09
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Solution
The fourth proportional to 126,321.93, 174,319.70 and 69,732.09 is: 96,227.76
Step by Step Solution
- Step 1: Write the proportion equation
126,321.93 : 174,319.70 = 69,732.09 : x - Step 2: Convert to fraction form
126,321.93/174,319.70 = 69,732.09/x - Step 3: Cross multiply
126,321.93x = 174,319.70 × 69,732.09 - Step 4: Simplify right side
126,321.93x = 12,155,676,660.51 - Step 5: Solve for x
x = 12,155,676,660.51/126,321.93 - Step 6: Final answer
x = 96,227.76
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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.