Finding the Fourth Proportional to 159,165.56, 219,679.68 and 91,228.08
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Solution
The fourth proportional to 159,165.56, 219,679.68 and 91,228.08 is: 125,912.63
Step by Step Solution
- Step 1: Write the proportion equation
159,165.56 : 219,679.68 = 91,228.08 : x - Step 2: Convert to fraction form
159,165.56/219,679.68 = 91,228.08/x - Step 3: Cross multiply
159,165.56x = 219,679.68 × 91,228.08 - Step 4: Simplify right side
159,165.56x = 20,040,954,220.61 - Step 5: Solve for x
x = 20,040,954,220.61/159,165.56 - Step 6: Final answer
x = 125,912.63
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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.