Finding the Fourth Proportional to 125,361.68, 187,865.70 and 69,227.06
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Solution
The fourth proportional to 125,361.68, 187,865.70 and 69,227.06 is: 103,742.94
Step by Step Solution
- Step 1: Write the proportion equation
125,361.68 : 187,865.70 = 69,227.06 : x - Step 2: Convert to fraction form
125,361.68/187,865.70 = 69,227.06/x - Step 3: Cross multiply
125,361.68x = 187,865.70 × 69,227.06 - Step 4: Simplify right side
125,361.68x = 13,005,388,886.91 - Step 5: Solve for x
x = 13,005,388,886.91/125,361.68 - Step 6: Final answer
x = 103,742.94
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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.