Finding the Fourth Proportional to 111,305.79, 166,966.41 and 44,745.95
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Solution
The fourth proportional to 111,305.79, 166,966.41 and 44,745.95 is: 67,122.02
Step by Step Solution
- Step 1: Write the proportion equation
111,305.79 : 166,966.41 = 44,745.95 : x - Step 2: Convert to fraction form
111,305.79/166,966.41 = 44,745.95/x - Step 3: Cross multiply
111,305.79x = 166,966.41 × 44,745.95 - Step 4: Simplify right side
111,305.79x = 7,471,069,798.71 - Step 5: Solve for x
x = 7,471,069,798.71/111,305.79 - Step 6: Final answer
x = 67,122.02
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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.