Finding the Fourth Proportional to 113,163.84, 169,744.64 and 68,802.84
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Solution
The fourth proportional to 113,163.84, 169,744.64 and 68,802.84 is: 103,203.58
Step by Step Solution
- Step 1: Write the proportion equation
113,163.84 : 169,744.64 = 68,802.84 : x - Step 2: Convert to fraction form
113,163.84/169,744.64 = 68,802.84/x - Step 3: Cross multiply
113,163.84x = 169,744.64 × 68,802.84 - Step 4: Simplify right side
113,163.84x = 11,678,913,306.78 - Step 5: Solve for x
x = 11,678,913,306.78/113,163.84 - Step 6: Final answer
x = 103,203.58
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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.