Finding the Fourth Proportional to 126,862.75, 175,068.26 and 73,150.03
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Solution
The fourth proportional to 126,862.75, 175,068.26 and 73,150.03 is: 100,945.70
Step by Step Solution
- Step 1: Write the proportion equation
126,862.75 : 175,068.26 = 73,150.03 : x - Step 2: Convert to fraction form
126,862.75/175,068.26 = 73,150.03/x - Step 3: Cross multiply
126,862.75x = 175,068.26 × 73,150.03 - Step 4: Simplify right side
126,862.75x = 12,806,248,471.05 - Step 5: Solve for x
x = 12,806,248,471.05/126,862.75 - Step 6: Final answer
x = 100,945.70
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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.