Finding the Fourth Proportional to 140,989.06, 211,473.73 and 66,125.62
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Solution
The fourth proportional to 140,989.06, 211,473.73 and 66,125.62 is: 99,183.81
Step by Step Solution
- Step 1: Write the proportion equation
140,989.06 : 211,473.73 = 66,125.62 : x - Step 2: Convert to fraction form
140,989.06/211,473.73 = 66,125.62/x - Step 3: Cross multiply
140,989.06x = 211,473.73 × 66,125.62 - Step 4: Simplify right side
140,989.06x = 13,983,831,509.96 - Step 5: Solve for x
x = 13,983,831,509.96/140,989.06 - Step 6: Final answer
x = 99,183.81
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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.