Finding the Fourth Proportional to 192,119.76, 265,124.61 and 107,236.08
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Solution
The fourth proportional to 192,119.76, 265,124.61 and 107,236.08 is: 147,985.42
Step by Step Solution
- Step 1: Write the proportion equation
192,119.76 : 265,124.61 = 107,236.08 : x - Step 2: Convert to fraction form
192,119.76/265,124.61 = 107,236.08/x - Step 3: Cross multiply
192,119.76x = 265,124.61 × 107,236.08 - Step 4: Simplify right side
192,119.76x = 28,430,923,887.93 - Step 5: Solve for x
x = 28,430,923,887.93/192,119.76 - Step 6: Final answer
x = 147,985.42
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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.