Finding the Fourth Proportional to 119,239.63, 164,559.87 and 68,268.42
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Solution
The fourth proportional to 119,239.63, 164,559.87 and 68,268.42 is: 94,215.68
Step by Step Solution
- Step 1: Write the proportion equation
119,239.63 : 164,559.87 = 68,268.42 : x - Step 2: Convert to fraction form
119,239.63/164,559.87 = 68,268.42/x - Step 3: Cross multiply
119,239.63x = 164,559.87 × 68,268.42 - Step 4: Simplify right side
119,239.63x = 11,234,242,320.31 - Step 5: Solve for x
x = 11,234,242,320.31/119,239.63 - Step 6: Final answer
x = 94,215.68
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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.