Finding the Fourth Proportional to 126,442.97, 174,494.82 and 69,857.99
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Solution
The fourth proportional to 126,442.97, 174,494.82 and 69,857.99 is: 96,405.97
Step by Step Solution
- Step 1: Write the proportion equation
126,442.97 : 174,494.82 = 69,857.99 : x - Step 2: Convert to fraction form
126,442.97/174,494.82 = 69,857.99/x - Step 3: Cross multiply
126,442.97x = 174,494.82 × 69,857.99 - Step 4: Simplify right side
126,442.97x = 12,189,856,518.14 - Step 5: Solve for x
x = 12,189,856,518.14/126,442.97 - Step 6: Final answer
x = 96,405.97
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1.5x scale
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.