Finding the Fourth Proportional to 142,949.99, 214,154.34 and 95,421.77
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Solution
The fourth proportional to 142,949.99, 214,154.34 and 95,421.77 is: 142,951.99
Step by Step Solution
- Step 1: Write the proportion equation
142,949.99 : 214,154.34 = 95,421.77 : x - Step 2: Convert to fraction form
142,949.99/214,154.34 = 95,421.77/x - Step 3: Cross multiply
142,949.99x = 214,154.34 × 95,421.77 - Step 4: Simplify right side
142,949.99x = 20,434,985,550.46 - Step 5: Solve for x
x = 20,434,985,550.46/142,949.99 - Step 6: Final answer
x = 142,951.99
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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.