Finding the Fourth Proportional to 103,701.09, 155,551.35 and 68,632.68
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Solution
The fourth proportional to 103,701.09, 155,551.35 and 68,632.68 is: 102,948.83
Step by Step Solution
- Step 1: Write the proportion equation
103,701.09 : 155,551.35 = 68,632.68 : x - Step 2: Convert to fraction form
103,701.09/155,551.35 = 68,632.68/x - Step 3: Cross multiply
103,701.09x = 155,551.35 × 68,632.68 - Step 4: Simplify right side
103,701.09x = 10,675,906,028.12 - Step 5: Solve for x
x = 10,675,906,028.12/103,701.09 - Step 6: Final answer
x = 102,948.83
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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.