Finding the Fourth Proportional to 146,874.12, 202,685.58 and 83,211.78
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Solution
The fourth proportional to 146,874.12, 202,685.58 and 83,211.78 is: 114,831.86
Step by Step Solution
- Step 1: Write the proportion equation
146,874.12 : 202,685.58 = 83,211.78 : x - Step 2: Convert to fraction form
146,874.12/202,685.58 = 83,211.78/x - Step 3: Cross multiply
146,874.12x = 202,685.58 × 83,211.78 - Step 4: Simplify right side
146,874.12x = 16,865,827,892.13 - Step 5: Solve for x
x = 16,865,827,892.13/146,874.12 - Step 6: Final answer
x = 114,831.86
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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.