Finding the Fourth Proportional to 107,212.93, 147,951.64 and 66,366.26
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Solution
The fourth proportional to 107,212.93, 147,951.64 and 66,366.26 is: 91,584.07
Step by Step Solution
- Step 1: Write the proportion equation
107,212.93 : 147,951.64 = 66,366.26 : x - Step 2: Convert to fraction form
107,212.93/147,951.64 = 66,366.26/x - Step 3: Cross multiply
107,212.93x = 147,951.64 × 66,366.26 - Step 4: Simplify right side
107,212.93x = 9,818,997,007.67 - Step 5: Solve for x
x = 9,818,997,007.67/107,212.93 - Step 6: Final answer
x = 91,584.07
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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.