Finding the Fourth Proportional to 154,994.16, 213,836.88 and 101,310.12
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Solution
The fourth proportional to 154,994.16, 213,836.88 and 101,310.12 is: 139,771.98
Step by Step Solution
- Step 1: Write the proportion equation
154,994.16 : 213,836.88 = 101,310.12 : x - Step 2: Convert to fraction form
154,994.16/213,836.88 = 101,310.12/x - Step 3: Cross multiply
154,994.16x = 213,836.88 × 101,310.12 - Step 4: Simplify right side
154,994.16x = 21,663,839,973.23 - Step 5: Solve for x
x = 21,663,839,973.23/154,994.16 - Step 6: Final answer
x = 139,771.98
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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.