Finding the Fourth Proportional to 120,768.99, 181,191.75 and 94,206.05
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Solution
The fourth proportional to 120,768.99, 181,191.75 and 94,206.05 is: 141,338.92
Step by Step Solution
- Step 1: Write the proportion equation
120,768.99 : 181,191.75 = 94,206.05 : x - Step 2: Convert to fraction form
120,768.99/181,191.75 = 94,206.05/x - Step 3: Cross multiply
120,768.99x = 181,191.75 × 94,206.05 - Step 4: Simplify right side
120,768.99x = 17,069,359,060.09 - Step 5: Solve for x
x = 17,069,359,060.09/120,768.99 - Step 6: Final answer
x = 141,338.92
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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.