Finding the Fourth Proportional to 166,628.25, 229,946.99 and 91,176.75
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Solution
The fourth proportional to 166,628.25, 229,946.99 and 91,176.75 is: 125,823.92
Step by Step Solution
- Step 1: Write the proportion equation
166,628.25 : 229,946.99 = 91,176.75 : x - Step 2: Convert to fraction form
166,628.25/229,946.99 = 91,176.75/x - Step 3: Cross multiply
166,628.25x = 229,946.99 × 91,176.75 - Step 4: Simplify right side
166,628.25x = 20,965,818,764.60 - Step 5: Solve for x
x = 20,965,818,764.60/166,628.25 - Step 6: Final answer
x = 125,823.92
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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.