Finding the Fourth Proportional to 127,946.06, 176,597.22 and 87,177.62
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Solution
The fourth proportional to 127,946.06, 176,597.22 and 87,177.62 is: 120,326.69
Step by Step Solution
- Step 1: Write the proportion equation
127,946.06 : 176,597.22 = 87,177.62 : x - Step 2: Convert to fraction form
127,946.06/176,597.22 = 87,177.62/x - Step 3: Cross multiply
127,946.06x = 176,597.22 × 87,177.62 - Step 4: Simplify right side
127,946.06x = 15,395,325,338.22 - Step 5: Solve for x
x = 15,395,325,338.22/127,946.06 - Step 6: Final answer
x = 120,326.69
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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.