Finding the Fourth Proportional to 163,194.64, 225,146.65 and 120,276.58
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Solution
The fourth proportional to 163,194.64, 225,146.65 and 120,276.58 is: 165,936.02
Step by Step Solution
- Step 1: Write the proportion equation
163,194.64 : 225,146.65 = 120,276.58 : x - Step 2: Convert to fraction form
163,194.64/225,146.65 = 120,276.58/x - Step 3: Cross multiply
163,194.64x = 225,146.65 × 120,276.58 - Step 4: Simplify right side
163,194.64x = 27,079,869,060.46 - Step 5: Solve for x
x = 27,079,869,060.46/163,194.64 - Step 6: Final answer
x = 165,936.02
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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.