Finding the Fourth Proportional to 134,868.10, 202,083.45 and 84,858.70
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Solution
The fourth proportional to 134,868.10, 202,083.45 and 84,858.70 is: 127,150.44
Step by Step Solution
- Step 1: Write the proportion equation
134,868.10 : 202,083.45 = 84,858.70 : x - Step 2: Convert to fraction form
134,868.10/202,083.45 = 84,858.70/x - Step 3: Cross multiply
134,868.10x = 202,083.45 × 84,858.70 - Step 4: Simplify right side
134,868.10x = 17,148,538,858.52 - Step 5: Solve for x
x = 17,148,538,858.52/134,868.10 - Step 6: Final answer
x = 127,150.44
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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.