Finding the Fourth Proportional to 127,082.42, 190,323.05 and 110,351.53
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Solution
The fourth proportional to 127,082.42, 190,323.05 and 110,351.53 is: 165,266.28
Step by Step Solution
- Step 1: Write the proportion equation
127,082.42 : 190,323.05 = 110,351.53 : x - Step 2: Convert to fraction form
127,082.42/190,323.05 = 110,351.53/x - Step 3: Cross multiply
127,082.42x = 190,323.05 × 110,351.53 - Step 4: Simplify right side
127,082.42x = 21,002,438,258.39 - Step 5: Solve for x
x = 21,002,438,258.39/127,082.42 - Step 6: Final answer
x = 165,266.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.