Finding the Fourth Proportional to 115,976.07, 160,032.02 and 68,211.99
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Solution
The fourth proportional to 115,976.07, 160,032.02 and 68,211.99 is: 94,123.75
Step by Step Solution
- Step 1: Write the proportion equation
115,976.07 : 160,032.02 = 68,211.99 : x - Step 2: Convert to fraction form
115,976.07/160,032.02 = 68,211.99/x - Step 3: Cross multiply
115,976.07x = 160,032.02 × 68,211.99 - Step 4: Simplify right side
115,976.07x = 10,916,102,206.86 - Step 5: Solve for x
x = 10,916,102,206.86/115,976.07 - Step 6: Final answer
x = 94,123.75
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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.