Finding the Fourth Proportional to 192,113.10, 265,105.08 and 107,235.54
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Solution
The fourth proportional to 192,113.10, 265,105.08 and 107,235.54 is: 147,978.91
Step by Step Solution
- Step 1: Write the proportion equation
192,113.10 : 265,105.08 = 107,235.54 : x - Step 2: Convert to fraction form
192,113.10/265,105.08 = 107,235.54/x - Step 3: Cross multiply
192,113.10x = 265,105.08 × 107,235.54 - Step 4: Simplify right side
192,113.10x = 28,428,686,410.54 - Step 5: Solve for x
x = 28,428,686,410.54/192,113.10 - Step 6: Final answer
x = 147,978.91
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1.5x scale
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.