Finding the Fourth Proportional to 125,691.66, 173,457.90 and 68,334.84
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Solution
The fourth proportional to 125,691.66, 173,457.90 and 68,334.84 is: 94,303.93
Step by Step Solution
- Step 1: Write the proportion equation
125,691.66 : 173,457.90 = 68,334.84 : x - Step 2: Convert to fraction form
125,691.66/173,457.90 = 68,334.84/x - Step 3: Cross multiply
125,691.66x = 173,457.90 × 68,334.84 - Step 4: Simplify right side
125,691.66x = 11,853,217,843.24 - Step 5: Solve for x
x = 11,853,217,843.24/125,691.66 - Step 6: Final answer
x = 94,303.93
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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.