Finding the Fourth Proportional to 159,188.97, 219,676.12 and 87,568.95
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Solution
The fourth proportional to 159,188.97, 219,676.12 and 87,568.95 is: 120,842.59
Step by Step Solution
- Step 1: Write the proportion equation
159,188.97 : 219,676.12 = 87,568.95 : x - Step 2: Convert to fraction form
159,188.97/219,676.12 = 87,568.95/x - Step 3: Cross multiply
159,188.97x = 219,676.12 × 87,568.95 - Step 4: Simplify right side
159,188.97x = 19,236,807,168.47 - Step 5: Solve for x
x = 19,236,807,168.47/159,188.97 - Step 6: Final answer
x = 120,842.59
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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.