Finding the Fourth Proportional to 159,518.03, 220,144.68 and 87,898.03
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Solution
The fourth proportional to 159,518.03, 220,144.68 and 87,898.03 is: 121,304.68
Step by Step Solution
- Step 1: Write the proportion equation
159,518.03 : 220,144.68 = 87,898.03 : x - Step 2: Convert to fraction form
159,518.03/220,144.68 = 87,898.03/x - Step 3: Cross multiply
159,518.03x = 220,144.68 × 87,898.03 - Step 4: Simplify right side
159,518.03x = 19,350,283,136.62 - Step 5: Solve for x
x = 19,350,283,136.62/159,518.03 - Step 6: Final answer
x = 121,304.68
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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.