Finding the Fourth Proportional to 115,926.24, 159,705.09 and 108,951.08
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Solution
The fourth proportional to 115,926.24, 159,705.09 and 108,951.08 is: 150,095.80
Step by Step Solution
- Step 1: Write the proportion equation
115,926.24 : 159,705.09 = 108,951.08 : x - Step 2: Convert to fraction form
115,926.24/159,705.09 = 108,951.08/x - Step 3: Cross multiply
115,926.24x = 159,705.09 × 108,951.08 - Step 4: Simplify right side
115,926.24x = 17,400,041,510.85 - Step 5: Solve for x
x = 17,400,041,510.85/115,926.24 - Step 6: Final answer
x = 150,095.80
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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.