Finding the Fourth Proportional to 111,253.08, 166,587.99 and 76,261.08
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Solution
The fourth proportional to 111,253.08, 166,587.99 and 76,261.08 is: 114,191.72
Step by Step Solution
- Step 1: Write the proportion equation
111,253.08 : 166,587.99 = 76,261.08 : x - Step 2: Convert to fraction form
111,253.08/166,587.99 = 76,261.08/x - Step 3: Cross multiply
111,253.08x = 166,587.99 × 76,261.08 - Step 4: Simplify right side
111,253.08x = 12,704,180,032.43 - Step 5: Solve for x
x = 12,704,180,032.43/111,253.08 - Step 6: Final answer
x = 114,191.72
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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.