Finding the Fourth Proportional to 125,314.14, 187,896.14 and 39,888.09
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Solution
The fourth proportional to 125,314.14, 187,896.14 and 39,888.09 is: 59,808.23
Step by Step Solution
- Step 1: Write the proportion equation
125,314.14 : 187,896.14 = 39,888.09 : x - Step 2: Convert to fraction form
125,314.14/187,896.14 = 39,888.09/x - Step 3: Cross multiply
125,314.14x = 187,896.14 × 39,888.09 - Step 4: Simplify right side
125,314.14x = 7,494,817,004.05 - Step 5: Solve for x
x = 7,494,817,004.05/125,314.14 - Step 6: Final answer
x = 59,808.23
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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.