Finding the Fourth Proportional to 115,188.84, 173,310.30 and 68,476.68
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Solution
The fourth proportional to 115,188.84, 173,310.30 and 68,476.68 is: 103,028.33
Step by Step Solution
- Step 1: Write the proportion equation
115,188.84 : 173,310.30 = 68,476.68 : x - Step 2: Convert to fraction form
115,188.84/173,310.30 = 68,476.68/x - Step 3: Cross multiply
115,188.84x = 173,310.30 × 68,476.68 - Step 4: Simplify right side
115,188.84x = 11,867,713,953.80 - Step 5: Solve for x
x = 11,867,713,953.80/115,188.84 - Step 6: Final answer
x = 103,028.33
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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.