Finding the Fourth Proportional to 107,239.18, 160,754.20 and 51,064.21
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Solution
The fourth proportional to 107,239.18, 160,754.20 and 51,064.21 is: 76,546.52
Step by Step Solution
- Step 1: Write the proportion equation
107,239.18 : 160,754.20 = 51,064.21 : x - Step 2: Convert to fraction form
107,239.18/160,754.20 = 51,064.21/x - Step 3: Cross multiply
107,239.18x = 160,754.20 × 51,064.21 - Step 4: Simplify right side
107,239.18x = 8,208,786,227.18 - Step 5: Solve for x
x = 8,208,786,227.18/107,239.18 - Step 6: Final answer
x = 76,546.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.