Finding the Fourth Proportional to 108,260.15, 162,334.77 and 57,687.99
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Solution
The fourth proportional to 108,260.15, 162,334.77 and 57,687.99 is: 86,502.44
Step by Step Solution
- Step 1: Write the proportion equation
108,260.15 : 162,334.77 = 57,687.99 : x - Step 2: Convert to fraction form
108,260.15/162,334.77 = 57,687.99/x - Step 3: Cross multiply
108,260.15x = 162,334.77 × 57,687.99 - Step 4: Simplify right side
108,260.15x = 9,364,766,219.89 - Step 5: Solve for x
x = 9,364,766,219.89/108,260.15 - Step 6: Final answer
x = 86,502.44
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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.