Finding the Fourth Proportional to 187,090.97, 258,197.42 and 106,525.53
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Solution
The fourth proportional to 187,090.97, 258,197.42 and 106,525.53 is: 147,012.00
Step by Step Solution
- Step 1: Write the proportion equation
187,090.97 : 258,197.42 = 106,525.53 : x - Step 2: Convert to fraction form
187,090.97/258,197.42 = 106,525.53/x - Step 3: Cross multiply
187,090.97x = 258,197.42 × 106,525.53 - Step 4: Simplify right side
187,090.97x = 27,504,617,276.45 - Step 5: Solve for x
x = 27,504,617,276.45/187,090.97 - Step 6: Final answer
x = 147,012.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.