Finding the Fourth Proportional to 125,361.93, 187,866.07 and 69,227.31
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Solution
The fourth proportional to 125,361.93, 187,866.07 and 69,227.31 is: 103,743.32
Step by Step Solution
- Step 1: Write the proportion equation
125,361.93 : 187,866.07 = 69,227.31 : x - Step 2: Convert to fraction form
125,361.93/187,866.07 = 69,227.31/x - Step 3: Cross multiply
125,361.93x = 187,866.07 × 69,227.31 - Step 4: Simplify right side
125,361.93x = 13,005,461,813.58 - Step 5: Solve for x
x = 13,005,461,813.58/125,361.93 - Step 6: Final answer
x = 103,743.32
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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.