Finding the Fourth Proportional to 163,612.90, 225,709.99 and 95,632.75
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Solution
The fourth proportional to 163,612.90, 225,709.99 and 95,632.75 is: 131,928.88
Step by Step Solution
- Step 1: Write the proportion equation
163,612.90 : 225,709.99 = 95,632.75 : x - Step 2: Convert to fraction form
163,612.90/225,709.99 = 95,632.75/x - Step 3: Cross multiply
163,612.90x = 225,709.99 × 95,632.75 - Step 4: Simplify right side
163,612.90x = 21,585,267,046.17 - Step 5: Solve for x
x = 21,585,267,046.17/163,612.90 - Step 6: Final answer
x = 131,928.88
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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.