Finding the Fourth Proportional to 124,958.09, 187,201.73 and 61,704.15
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Solution
The fourth proportional to 124,958.09, 187,201.73 and 61,704.15 is: 92,439.99
Step by Step Solution
- Step 1: Write the proportion equation
124,958.09 : 187,201.73 = 61,704.15 : x - Step 2: Convert to fraction form
124,958.09/187,201.73 = 61,704.15/x - Step 3: Cross multiply
124,958.09x = 187,201.73 × 61,704.15 - Step 4: Simplify right side
124,958.09x = 11,551,124,659.95 - Step 5: Solve for x
x = 11,551,124,659.95/124,958.09 - Step 6: Final answer
x = 92,439.99
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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.