Finding the Fourth Proportional to 134,092.31, 201,221.52 and 77,958.84
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Solution
The fourth proportional to 134,092.31, 201,221.52 and 77,958.84 is: 116,986.54
Step by Step Solution
- Step 1: Write the proportion equation
134,092.31 : 201,221.52 = 77,958.84 : x - Step 2: Convert to fraction form
134,092.31/201,221.52 = 77,958.84/x - Step 3: Cross multiply
134,092.31x = 201,221.52 × 77,958.84 - Step 4: Simplify right side
134,092.31x = 15,686,995,276.13 - Step 5: Solve for x
x = 15,686,995,276.13/134,092.31 - Step 6: Final answer
x = 116,986.54
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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.