Finding the Fourth Proportional to 126,201.25, 174,157.73 and 69,612.63
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Solution
The fourth proportional to 126,201.25, 174,157.73 and 69,612.63 is: 96,065.43
Step by Step Solution
- Step 1: Write the proportion equation
126,201.25 : 174,157.73 = 69,612.63 : x - Step 2: Convert to fraction form
126,201.25/174,157.73 = 69,612.63/x - Step 3: Cross multiply
126,201.25x = 174,157.73 × 69,612.63 - Step 4: Simplify right side
126,201.25x = 12,123,577,620.13 - Step 5: Solve for x
x = 12,123,577,620.13/126,201.25 - Step 6: Final answer
x = 96,065.43
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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.