Finding the Fourth Proportional to 124,153.96, 186,199.26 and 39,896.68
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Solution
The fourth proportional to 124,153.96, 186,199.26 and 39,896.68 is: 59,834.84
Step by Step Solution
- Step 1: Write the proportion equation
124,153.96 : 186,199.26 = 39,896.68 : x - Step 2: Convert to fraction form
124,153.96/186,199.26 = 39,896.68/x - Step 3: Cross multiply
124,153.96x = 186,199.26 × 39,896.68 - Step 4: Simplify right side
124,153.96x = 7,428,732,292.46 - Step 5: Solve for x
x = 7,428,732,292.46/124,153.96 - Step 6: Final answer
x = 59,834.84
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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.