Finding the Fourth Proportional to 146,823.71, 202,617.11 and 83,161.49
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Solution
The fourth proportional to 146,823.71, 202,617.11 and 83,161.49 is: 114,763.08
Step by Step Solution
- Step 1: Write the proportion equation
146,823.71 : 202,617.11 = 83,161.49 : x - Step 2: Convert to fraction form
146,823.71/202,617.11 = 83,161.49/x - Step 3: Cross multiply
146,823.71x = 202,617.11 × 83,161.49 - Step 4: Simplify right side
146,823.71x = 16,849,939,961.91 - Step 5: Solve for x
x = 16,849,939,961.91/146,823.71 - Step 6: Final answer
x = 114,763.08
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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.