Finding the Fourth Proportional to 113,089.68, 169,408.26 and 68,086.08
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Solution
The fourth proportional to 113,089.68, 169,408.26 and 68,086.08 is: 101,992.90
Step by Step Solution
- Step 1: Write the proportion equation
113,089.68 : 169,408.26 = 68,086.08 : x - Step 2: Convert to fraction form
113,089.68/169,408.26 = 68,086.08/x - Step 3: Cross multiply
113,089.68x = 169,408.26 × 68,086.08 - Step 4: Simplify right side
113,089.68x = 11,534,344,343.02 - Step 5: Solve for x
x = 11,534,344,343.02/113,089.68 - Step 6: Final answer
x = 101,992.90
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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.