Finding the Fourth Proportional to 115,954.08, 160,338.74 and 92,039.24
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Solution
The fourth proportional to 115,954.08, 160,338.74 and 92,039.24 is: 127,269.82
Step by Step Solution
- Step 1: Write the proportion equation
115,954.08 : 160,338.74 = 92,039.24 : x - Step 2: Convert to fraction form
115,954.08/160,338.74 = 92,039.24/x - Step 3: Cross multiply
115,954.08x = 160,338.74 × 92,039.24 - Step 4: Simplify right side
115,954.08x = 14,757,454,510.27 - Step 5: Solve for x
x = 14,757,454,510.27/115,954.08 - Step 6: Final answer
x = 127,269.82
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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.