Finding the Fourth Proportional to 140,696.84, 194,162.19 and 77,034.08
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Solution
The fourth proportional to 140,696.84, 194,162.19 and 77,034.08 is: 106,307.33
Step by Step Solution
- Step 1: Write the proportion equation
140,696.84 : 194,162.19 = 77,034.08 : x - Step 2: Convert to fraction form
140,696.84/194,162.19 = 77,034.08/x - Step 3: Cross multiply
140,696.84x = 194,162.19 × 77,034.08 - Step 4: Simplify right side
140,696.84x = 14,957,105,677.44 - Step 5: Solve for x
x = 14,957,105,677.44/140,696.84 - Step 6: Final answer
x = 106,307.33
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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.