Finding the Fourth Proportional to 154,125.74, 212,668.80 and 93,664.10
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Solution
The fourth proportional to 154,125.74, 212,668.80 and 93,664.10 is: 129,241.43
Step by Step Solution
- Step 1: Write the proportion equation
154,125.74 : 212,668.80 = 93,664.10 : x - Step 2: Convert to fraction form
154,125.74/212,668.80 = 93,664.10/x - Step 3: Cross multiply
154,125.74x = 212,668.80 × 93,664.10 - Step 4: Simplify right side
154,125.74x = 19,919,431,750.08 - Step 5: Solve for x
x = 19,919,431,750.08/154,125.74 - Step 6: Final answer
x = 129,241.43
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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.