Finding the Fourth Proportional to 192,137.10, 265,138.20 and 107,259.54
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Solution
The fourth proportional to 192,137.10, 265,138.20 and 107,259.54 is: 148,012.03
Step by Step Solution
- Step 1: Write the proportion equation
192,137.10 : 265,138.20 = 107,259.54 : x - Step 2: Convert to fraction form
192,137.10/265,138.20 = 107,259.54/x - Step 3: Cross multiply
192,137.10x = 265,138.20 × 107,259.54 - Step 4: Simplify right side
192,137.10x = 28,438,601,368.43 - Step 5: Solve for x
x = 28,438,601,368.43/192,137.10 - Step 6: Final answer
x = 148,012.03
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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.