Finding the Fourth Proportional to 129,654.58, 194,168.35 and 107,303.42
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Solution
The fourth proportional to 129,654.58, 194,168.35 and 107,303.42 is: 160,695.66
Step by Step Solution
- Step 1: Write the proportion equation
129,654.58 : 194,168.35 = 107,303.42 : x - Step 2: Convert to fraction form
129,654.58/194,168.35 = 107,303.42/x - Step 3: Cross multiply
129,654.58x = 194,168.35 × 107,303.42 - Step 4: Simplify right side
129,654.58x = 20,834,928,010.76 - Step 5: Solve for x
x = 20,834,928,010.76/129,654.58 - Step 6: Final answer
x = 160,695.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.