Finding the Fourth Proportional to 192,036.96, 265,011.20 and 107,154.02
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Solution
The fourth proportional to 192,036.96, 265,011.20 and 107,154.02 is: 147,872.65
Step by Step Solution
- Step 1: Write the proportion equation
192,036.96 : 265,011.20 = 107,154.02 : x - Step 2: Convert to fraction form
192,036.96/265,011.20 = 107,154.02/x - Step 3: Cross multiply
192,036.96x = 265,011.20 × 107,154.02 - Step 4: Simplify right side
192,036.96x = 28,397,013,564.20 - Step 5: Solve for x
x = 28,397,013,564.20/192,036.96 - Step 6: Final answer
x = 147,872.65
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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.