Finding the Fourth Proportional to 129,707.26, 194,566.86 and 39,743.53
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Solution
The fourth proportional to 129,707.26, 194,566.86 and 39,743.53 is: 59,617.12
Step by Step Solution
- Step 1: Write the proportion equation
129,707.26 : 194,566.86 = 39,743.53 : x - Step 2: Convert to fraction form
129,707.26/194,566.86 = 39,743.53/x - Step 3: Cross multiply
129,707.26x = 194,566.86 × 39,743.53 - Step 4: Simplify right side
129,707.26x = 7,732,773,351.00 - Step 5: Solve for x
x = 7,732,773,351.00/129,707.26 - Step 6: Final answer
x = 59,617.12
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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.