Finding the Fourth Proportional to 115,147.08, 158,902.70 and 67,409.46
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Solution
The fourth proportional to 115,147.08, 158,902.70 and 67,409.46 is: 93,024.89
Step by Step Solution
- Step 1: Write the proportion equation
115,147.08 : 158,902.70 = 67,409.46 : x - Step 2: Convert to fraction form
115,147.08/158,902.70 = 67,409.46/x - Step 3: Cross multiply
115,147.08x = 158,902.70 × 67,409.46 - Step 4: Simplify right side
115,147.08x = 10,711,544,862.49 - Step 5: Solve for x
x = 10,711,544,862.49/115,147.08 - Step 6: Final answer
x = 93,024.89
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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.