Finding the Fourth Proportional to 134,093.19, 201,222.84 and 77,959.71
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Solution
The fourth proportional to 134,093.19, 201,222.84 and 77,959.71 is: 116,987.85
Step by Step Solution
- Step 1: Write the proportion equation
134,093.19 : 201,222.84 = 77,959.71 : x - Step 2: Convert to fraction form
134,093.19/201,222.84 = 77,959.71/x - Step 3: Cross multiply
134,093.19x = 201,222.84 × 77,959.71 - Step 4: Simplify right side
134,093.19x = 15,687,274,251.78 - Step 5: Solve for x
x = 15,687,274,251.78/134,093.19 - Step 6: Final answer
x = 116,987.85
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1.5x scale
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.