Finding the Fourth Proportional to 128,696.84, 192,996.66 and 62,114.84
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Solution
The fourth proportional to 128,696.84, 192,996.66 and 62,114.84 is: 93,148.80
Step by Step Solution
- Step 1: Write the proportion equation
128,696.84 : 192,996.66 = 62,114.84 : x - Step 2: Convert to fraction form
128,696.84/192,996.66 = 62,114.84/x - Step 3: Cross multiply
128,696.84x = 192,996.66 × 62,114.84 - Step 4: Simplify right side
128,696.84x = 11,987,956,656.43 - Step 5: Solve for x
x = 11,987,956,656.43/128,696.84 - Step 6: Final answer
x = 93,148.80
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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.