Finding the Fourth Proportional to 115,977.07, 160,033.39 and 68,212.99
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Solution
The fourth proportional to 115,977.07, 160,033.39 and 68,212.99 is: 94,125.12
Step by Step Solution
- Step 1: Write the proportion equation
115,977.07 : 160,033.39 = 68,212.99 : x - Step 2: Convert to fraction form
115,977.07/160,033.39 = 68,212.99/x - Step 3: Cross multiply
115,977.07x = 160,033.39 × 68,212.99 - Step 4: Simplify right side
115,977.07x = 10,916,356,031.74 - Step 5: Solve for x
x = 10,916,356,031.74/115,977.07 - Step 6: Final answer
x = 94,125.12
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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.