Finding the Fourth Proportional to 68,110.75, 102,166.17 and 18,862.75
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Solution
The fourth proportional to 68,110.75, 102,166.17 and 18,862.75 is: 28,294.14
Step by Step Solution
- Step 1: Write the proportion equation
68,110.75 : 102,166.17 = 18,862.75 : x - Step 2: Convert to fraction form
68,110.75/102,166.17 = 18,862.75/x - Step 3: Cross multiply
68,110.75x = 102,166.17 × 18,862.75 - Step 4: Simplify right side
68,110.75x = 1,927,134,923.17 - Step 5: Solve for x
x = 1,927,134,923.17/68,110.75 - Step 6: Final answer
x = 28,294.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.