Finding the Fourth Proportional to 126,039.63, 173,938.34 and 69,454.65
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Solution
The fourth proportional to 126,039.63, 173,938.34 and 69,454.65 is: 95,849.43
Step by Step Solution
- Step 1: Write the proportion equation
126,039.63 : 173,938.34 = 69,454.65 : x - Step 2: Convert to fraction form
126,039.63/173,938.34 = 69,454.65/x - Step 3: Cross multiply
126,039.63x = 173,938.34 × 69,454.65 - Step 4: Simplify right side
126,039.63x = 12,080,826,526.28 - Step 5: Solve for x
x = 12,080,826,526.28/126,039.63 - Step 6: Final answer
x = 95,849.43
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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.