Finding the Fourth Proportional to 119,010.95, 164,236.79 and 65,294.99
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Solution
The fourth proportional to 119,010.95, 164,236.79 and 65,294.99 is: 90,108.01
Step by Step Solution
- Step 1: Write the proportion equation
119,010.95 : 164,236.79 = 65,294.99 : x - Step 2: Convert to fraction form
119,010.95/164,236.79 = 65,294.99/x - Step 3: Cross multiply
119,010.95x = 164,236.79 × 65,294.99 - Step 4: Simplify right side
119,010.95x = 10,723,839,560.68 - Step 5: Solve for x
x = 10,723,839,560.68/119,010.95 - Step 6: Final answer
x = 90,108.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.