Finding the Fourth Proportional to 109,873.08, 164,621.24 and 73,781.88
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Solution
The fourth proportional to 109,873.08, 164,621.24 and 73,781.88 is: 110,546.32
Step by Step Solution
- Step 1: Write the proportion equation
109,873.08 : 164,621.24 = 73,781.88 : x - Step 2: Convert to fraction form
109,873.08/164,621.24 = 73,781.88/x - Step 3: Cross multiply
109,873.08x = 164,621.24 × 73,781.88 - Step 4: Simplify right side
109,873.08x = 12,146,064,575.13 - Step 5: Solve for x
x = 12,146,064,575.13/109,873.08 - Step 6: Final answer
x = 110,546.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.