Finding the Fourth Proportional to 159,163.41, 219,645.62 and 87,548.88
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Solution
The fourth proportional to 159,163.41, 219,645.62 and 87,548.88 is: 120,817.52
Step by Step Solution
- Step 1: Write the proportion equation
159,163.41 : 219,645.62 = 87,548.88 : x - Step 2: Convert to fraction form
159,163.41/219,645.62 = 87,548.88/x - Step 3: Cross multiply
159,163.41x = 219,645.62 × 87,548.88 - Step 4: Simplify right side
159,163.41x = 19,229,729,234.60 - Step 5: Solve for x
x = 19,229,729,234.60/159,163.41 - Step 6: Final answer
x = 120,817.52
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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.