Finding the Fourth Proportional to 134,106.74, 185,067.70 and 80,394.02
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Solution
The fourth proportional to 134,106.74, 185,067.70 and 80,394.02 is: 110,943.99
Step by Step Solution
- Step 1: Write the proportion equation
134,106.74 : 185,067.70 = 80,394.02 : x - Step 2: Convert to fraction form
134,106.74/185,067.70 = 80,394.02/x - Step 3: Cross multiply
134,106.74x = 185,067.70 × 80,394.02 - Step 4: Simplify right side
134,106.74x = 14,878,336,375.15 - Step 5: Solve for x
x = 14,878,336,375.15/134,106.74 - Step 6: Final answer
x = 110,943.99
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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.