Finding the Fourth Proportional to 126,375.70, 174,398.22 and 72,671.08
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Solution
The fourth proportional to 126,375.70, 174,398.22 and 72,671.08 is: 100,285.95
Step by Step Solution
- Step 1: Write the proportion equation
126,375.70 : 174,398.22 = 72,671.08 : x - Step 2: Convert to fraction form
126,375.70/174,398.22 = 72,671.08/x - Step 3: Cross multiply
126,375.70x = 174,398.22 × 72,671.08 - Step 4: Simplify right side
126,375.70x = 12,673,706,997.48 - Step 5: Solve for x
x = 12,673,706,997.48/126,375.70 - Step 6: Final answer
x = 100,285.95
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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.