Finding the Fourth Proportional to 159,147.99, 219,624.84 and 87,532.53
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Solution
The fourth proportional to 159,147.99, 219,624.84 and 87,532.53 is: 120,795.23
Step by Step Solution
- Step 1: Write the proportion equation
159,147.99 : 219,624.84 = 87,532.53 : x - Step 2: Convert to fraction form
159,147.99/219,624.84 = 87,532.53/x - Step 3: Cross multiply
159,147.99x = 219,624.84 × 87,532.53 - Step 4: Simplify right side
159,147.99x = 19,224,317,896.05 - Step 5: Solve for x
x = 19,224,317,896.05/159,147.99 - Step 6: Final answer
x = 120,795.23
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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.