Finding the Fourth Proportional to 134,062.34, 201,178.26 and 74,936.79
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Solution
The fourth proportional to 134,062.34, 201,178.26 and 74,936.79 is: 112,452.56
Step by Step Solution
- Step 1: Write the proportion equation
134,062.34 : 201,178.26 = 74,936.79 : x - Step 2: Convert to fraction form
134,062.34/201,178.26 = 74,936.79/x - Step 3: Cross multiply
134,062.34x = 201,178.26 × 74,936.79 - Step 4: Simplify right side
134,062.34x = 15,075,653,022.19 - Step 5: Solve for x
x = 15,075,653,022.19/134,062.34 - Step 6: Final answer
x = 112,452.56
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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.