Finding the Fourth Proportional to 127,873.08, 176,474.48 and 74,157.66
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Solution
The fourth proportional to 127,873.08, 176,474.48 and 74,157.66 is: 102,343.15
Step by Step Solution
- Step 1: Write the proportion equation
127,873.08 : 176,474.48 = 74,157.66 : x - Step 2: Convert to fraction form
127,873.08/176,474.48 = 74,157.66/x - Step 3: Cross multiply
127,873.08x = 176,474.48 × 74,157.66 - Step 4: Simplify right side
127,873.08x = 13,086,934,115.73 - Step 5: Solve for x
x = 13,086,934,115.73/127,873.08 - Step 6: Final answer
x = 102,343.15
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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.