Finding the Fourth Proportional to 192,651.68, 265,859.55 and 106,614.23
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Solution
The fourth proportional to 192,651.68, 265,859.55 and 106,614.23 is: 147,127.76
Step by Step Solution
- Step 1: Write the proportion equation
192,651.68 : 265,859.55 = 106,614.23 : x - Step 2: Convert to fraction form
192,651.68/265,859.55 = 106,614.23/x - Step 3: Cross multiply
192,651.68x = 265,859.55 × 106,614.23 - Step 4: Simplify right side
192,651.68x = 28,344,409,882.10 - Step 5: Solve for x
x = 28,344,409,882.10/192,651.68 - Step 6: Final answer
x = 147,127.76
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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.