Finding the Fourth Proportional to 135,424.08, 186,867.72 and 75,808.08
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Solution
The fourth proportional to 135,424.08, 186,867.72 and 75,808.08 is: 104,605.35
Step by Step Solution
- Step 1: Write the proportion equation
135,424.08 : 186,867.72 = 75,808.08 : x - Step 2: Convert to fraction form
135,424.08/186,867.72 = 75,808.08/x - Step 3: Cross multiply
135,424.08x = 186,867.72 × 75,808.08 - Step 4: Simplify right side
135,424.08x = 14,166,083,067.18 - Step 5: Solve for x
x = 14,166,083,067.18/135,424.08 - Step 6: Final answer
x = 104,605.35
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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.