Finding the Fourth Proportional to 147,121.52, 202,975.43 and 96,163.62
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Solution
The fourth proportional to 147,121.52, 202,975.43 and 96,163.62 is: 132,671.63
Step by Step Solution
- Step 1: Write the proportion equation
147,121.52 : 202,975.43 = 96,163.62 : x - Step 2: Convert to fraction form
147,121.52/202,975.43 = 96,163.62/x - Step 3: Cross multiply
147,121.52x = 202,975.43 × 96,163.62 - Step 4: Simplify right side
147,121.52x = 19,518,852,119.86 - Step 5: Solve for x
x = 19,518,852,119.86/147,121.52 - Step 6: Final answer
x = 132,671.63
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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.