Finding the Fourth Proportional to 134,958.44, 202,562.04 and 68,445.20
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Solution
The fourth proportional to 134,958.44, 202,562.04 and 68,445.20 is: 102,730.88
Step by Step Solution
- Step 1: Write the proportion equation
134,958.44 : 202,562.04 = 68,445.20 : x - Step 2: Convert to fraction form
134,958.44/202,562.04 = 68,445.20/x - Step 3: Cross multiply
134,958.44x = 202,562.04 × 68,445.20 - Step 4: Simplify right side
134,958.44x = 13,864,399,340.21 - Step 5: Solve for x
x = 13,864,399,340.21/134,958.44 - Step 6: Final answer
x = 102,730.88
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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.