Finding the Fourth Proportional to 131,743.68, 197,473.80 and 56,899.02
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Solution
The fourth proportional to 131,743.68, 197,473.80 and 56,899.02 is: 85,287.32
Step by Step Solution
- Step 1: Write the proportion equation
131,743.68 : 197,473.80 = 56,899.02 : x - Step 2: Convert to fraction form
131,743.68/197,473.80 = 56,899.02/x - Step 3: Cross multiply
131,743.68x = 197,473.80 × 56,899.02 - Step 4: Simplify right side
131,743.68x = 11,236,065,695.68 - Step 5: Solve for x
x = 11,236,065,695.68/131,743.68 - Step 6: Final answer
x = 85,287.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.