Finding the Fourth Proportional to 106,758.68, 160,195.12 and 69,309.94
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Solution
The fourth proportional to 106,758.68, 160,195.12 and 69,309.94 is: 104,001.98
Step by Step Solution
- Step 1: Write the proportion equation
106,758.68 : 160,195.12 = 69,309.94 : x - Step 2: Convert to fraction form
106,758.68/160,195.12 = 69,309.94/x - Step 3: Cross multiply
106,758.68x = 160,195.12 × 69,309.94 - Step 4: Simplify right side
106,758.68x = 11,103,114,155.49 - Step 5: Solve for x
x = 11,103,114,155.49/106,758.68 - Step 6: Final answer
x = 104,001.98
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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.