Finding the Fourth Proportional to 106,168.32, 146,503.68 and 58,414.08
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Solution
The fourth proportional to 106,168.32, 146,503.68 and 58,414.08 is: 80,606.70
Step by Step Solution
- Step 1: Write the proportion equation
106,168.32 : 146,503.68 = 58,414.08 : x - Step 2: Convert to fraction form
106,168.32/146,503.68 = 58,414.08/x - Step 3: Cross multiply
106,168.32x = 146,503.68 × 58,414.08 - Step 4: Simplify right side
106,168.32x = 8,557,877,683.81 - Step 5: Solve for x
x = 8,557,877,683.81/106,168.32 - Step 6: Final answer
x = 80,606.70
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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.