Finding the Fourth Proportional to 127,369.16, 190,804.61 and 104,912.08
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Solution
The fourth proportional to 127,369.16, 190,804.61 and 104,912.08 is: 157,162.92
Step by Step Solution
- Step 1: Write the proportion equation
127,369.16 : 190,804.61 = 104,912.08 : x - Step 2: Convert to fraction form
127,369.16/190,804.61 = 104,912.08/x - Step 3: Cross multiply
127,369.16x = 190,804.61 × 104,912.08 - Step 4: Simplify right side
127,369.16x = 20,017,708,293.96 - Step 5: Solve for x
x = 20,017,708,293.96/127,369.16 - Step 6: Final answer
x = 157,162.92
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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.