Finding the Fourth Proportional to 122,258.60, 168,714.18 and 68,546.60
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Solution
The fourth proportional to 122,258.60, 168,714.18 and 68,546.60 is: 94,592.80
Step by Step Solution
- Step 1: Write the proportion equation
122,258.60 : 168,714.18 = 68,546.60 : x - Step 2: Convert to fraction form
122,258.60/168,714.18 = 68,546.60/x - Step 3: Cross multiply
122,258.60x = 168,714.18 × 68,546.60 - Step 4: Simplify right side
122,258.60x = 11,564,783,410.79 - Step 5: Solve for x
x = 11,564,783,410.79/122,258.60 - Step 6: Final answer
x = 94,592.80
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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.