Finding the Fourth Proportional to 126,151.36, 174,087.84 and 69,560.80
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Solution
The fourth proportional to 126,151.36, 174,087.84 and 69,560.80 is: 95,993.33
Step by Step Solution
- Step 1: Write the proportion equation
126,151.36 : 174,087.84 = 69,560.80 : x - Step 2: Convert to fraction form
126,151.36/174,087.84 = 69,560.80/x - Step 3: Cross multiply
126,151.36x = 174,087.84 × 69,560.80 - Step 4: Simplify right side
126,151.36x = 12,109,689,420.67 - Step 5: Solve for x
x = 12,109,689,420.67/126,151.36 - Step 6: Final answer
x = 95,993.33
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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.