Finding the Fourth Proportional to 166,478.23, 229,739.94 and 91,026.73
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Solution
The fourth proportional to 166,478.23, 229,739.94 and 91,026.73 is: 125,616.88
Step by Step Solution
- Step 1: Write the proportion equation
166,478.23 : 229,739.94 = 91,026.73 : x - Step 2: Convert to fraction form
166,478.23/229,739.94 = 91,026.73/x - Step 3: Cross multiply
166,478.23x = 229,739.94 × 91,026.73 - Step 4: Simplify right side
166,478.23x = 20,912,475,488.60 - Step 5: Solve for x
x = 20,912,475,488.60/166,478.23 - Step 6: Final answer
x = 125,616.88
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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.