Finding the Fourth Proportional to 141,536.23, 212,143.38 and 73,964.07
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Solution
The fourth proportional to 141,536.23, 212,143.38 and 73,964.07 is: 110,861.99
Step by Step Solution
- Step 1: Write the proportion equation
141,536.23 : 212,143.38 = 73,964.07 : x - Step 2: Convert to fraction form
141,536.23/212,143.38 = 73,964.07/x - Step 3: Cross multiply
141,536.23x = 212,143.38 × 73,964.07 - Step 4: Simplify right side
141,536.23x = 15,690,987,808.36 - Step 5: Solve for x
x = 15,690,987,808.36/141,536.23 - Step 6: Final answer
x = 110,861.99
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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.