Finding the Fourth Proportional to 150,108.96, 207,060.12 and 99,122.16
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Solution
The fourth proportional to 150,108.96, 207,060.12 and 99,122.16 is: 136,728.99
Step by Step Solution
- Step 1: Write the proportion equation
150,108.96 : 207,060.12 = 99,122.16 : x - Step 2: Convert to fraction form
150,108.96/207,060.12 = 99,122.16/x - Step 3: Cross multiply
150,108.96x = 207,060.12 × 99,122.16 - Step 4: Simplify right side
150,108.96x = 20,524,246,344.26 - Step 5: Solve for x
x = 20,524,246,344.26/150,108.96 - Step 6: Final answer
x = 136,728.99
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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.