Finding the Fourth Proportional to 125,494.28, 173,184.90 and 68,905.88
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Solution
The fourth proportional to 125,494.28, 173,184.90 and 68,905.88 is: 95,091.65
Step by Step Solution
- Step 1: Write the proportion equation
125,494.28 : 173,184.90 = 68,905.88 : x - Step 2: Convert to fraction form
125,494.28/173,184.90 = 68,905.88/x - Step 3: Cross multiply
125,494.28x = 173,184.90 × 68,905.88 - Step 4: Simplify right side
125,494.28x = 11,933,457,937.21 - Step 5: Solve for x
x = 11,933,457,937.21/125,494.28 - Step 6: Final answer
x = 95,091.65
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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.