Finding the Fourth Proportional to 135,394.08, 186,843.68 and 75,778.08
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Solution
The fourth proportional to 135,394.08, 186,843.68 and 75,778.08 is: 104,573.67
Step by Step Solution
- Step 1: Write the proportion equation
135,394.08 : 186,843.68 = 75,778.08 : x - Step 2: Convert to fraction form
135,394.08/186,843.68 = 75,778.08/x - Step 3: Cross multiply
135,394.08x = 186,843.68 × 75,778.08 - Step 4: Simplify right side
135,394.08x = 14,158,655,330.53 - Step 5: Solve for x
x = 14,158,655,330.53/135,394.08 - Step 6: Final answer
x = 104,573.67
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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.