Finding the Fourth Proportional to 150,161.04, 207,201.76 and 89,718.92
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Solution
The fourth proportional to 150,161.04, 207,201.76 and 89,718.92 is: 123,799.88
Step by Step Solution
- Step 1: Write the proportion equation
150,161.04 : 207,201.76 = 89,718.92 : x - Step 2: Convert to fraction form
150,161.04/207,201.76 = 89,718.92/x - Step 3: Cross multiply
150,161.04x = 207,201.76 × 89,718.92 - Step 4: Simplify right side
150,161.04x = 18,589,918,129.30 - Step 5: Solve for x
x = 18,589,918,129.30/150,161.04 - Step 6: Final answer
x = 123,799.88
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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.