Finding the Fourth Proportional to 108,450.99, 149,655.33 and 60,703.92
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Solution
The fourth proportional to 108,450.99, 149,655.33 and 60,703.92 is: 83,767.47
Step by Step Solution
- Step 1: Write the proportion equation
108,450.99 : 149,655.33 = 60,703.92 : x - Step 2: Convert to fraction form
108,450.99/149,655.33 = 60,703.92/x - Step 3: Cross multiply
108,450.99x = 149,655.33 × 60,703.92 - Step 4: Simplify right side
108,450.99x = 9,084,665,179.89 - Step 5: Solve for x
x = 9,084,665,179.89/108,450.99 - Step 6: Final answer
x = 83,767.47
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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.