Finding the Fourth Proportional to 168,729.76, 232,839.84 and 97,060.96
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Solution
The fourth proportional to 168,729.76, 232,839.84 and 97,060.96 is: 133,939.97
Step by Step Solution
- Step 1: Write the proportion equation
168,729.76 : 232,839.84 = 97,060.96 : x - Step 2: Convert to fraction form
168,729.76/232,839.84 = 97,060.96/x - Step 3: Cross multiply
168,729.76x = 232,839.84 × 97,060.96 - Step 4: Simplify right side
168,729.76x = 22,599,658,396.65 - Step 5: Solve for x
x = 22,599,658,396.65/168,729.76 - Step 6: Final answer
x = 133,939.97
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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.