Finding the Fourth Proportional to 159,165.67, 219,648.73 and 87,551.14
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Solution
The fourth proportional to 159,165.67, 219,648.73 and 87,551.14 is: 120,820.63
Step by Step Solution
- Step 1: Write the proportion equation
159,165.67 : 219,648.73 = 87,551.14 : x - Step 2: Convert to fraction form
159,165.67/219,648.73 = 87,551.14/x - Step 3: Cross multiply
159,165.67x = 219,648.73 × 87,551.14 - Step 4: Simplify right side
159,165.67x = 19,230,496,711.05 - Step 5: Solve for x
x = 19,230,496,711.05/159,165.67 - Step 6: Final answer
x = 120,820.63
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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.