Finding the Fourth Proportional to 126,037.14, 173,929.86 and 71,588.94
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Solution
The fourth proportional to 126,037.14, 173,929.86 and 71,588.94 is: 98,791.95
Step by Step Solution
- Step 1: Write the proportion equation
126,037.14 : 173,929.86 = 71,588.94 : x - Step 2: Convert to fraction form
126,037.14/173,929.86 = 71,588.94/x - Step 3: Cross multiply
126,037.14x = 173,929.86 × 71,588.94 - Step 4: Simplify right side
126,037.14x = 12,451,454,311.75 - Step 5: Solve for x
x = 12,451,454,311.75/126,037.14 - Step 6: Final answer
x = 98,791.95
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1.5x scale
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.