Finding the Fourth Proportional to 192,773.64, 265,995.98 and 121,102.92
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Solution
The fourth proportional to 192,773.64, 265,995.98 and 121,102.92 is: 167,102.15
Step by Step Solution
- Step 1: Write the proportion equation
192,773.64 : 265,995.98 = 121,102.92 : x - Step 2: Convert to fraction form
192,773.64/265,995.98 = 121,102.92/x - Step 3: Cross multiply
192,773.64x = 265,995.98 × 121,102.92 - Step 4: Simplify right side
192,773.64x = 32,212,889,886.26 - Step 5: Solve for x
x = 32,212,889,886.26/192,773.64 - Step 6: Final answer
x = 167,102.15
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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.