Finding the Fourth Proportional to 135,473.11, 203,335.76 and 68,963.02
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Solution
The fourth proportional to 135,473.11, 203,335.76 and 68,963.02 is: 103,508.72
Step by Step Solution
- Step 1: Write the proportion equation
135,473.11 : 203,335.76 = 68,963.02 : x - Step 2: Convert to fraction form
135,473.11/203,335.76 = 68,963.02/x - Step 3: Cross multiply
135,473.11x = 203,335.76 × 68,963.02 - Step 4: Simplify right side
135,473.11x = 14,022,647,747.66 - Step 5: Solve for x
x = 14,022,647,747.66/135,473.11 - Step 6: Final answer
x = 103,508.72
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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.