Finding the Fourth Proportional to 120,716.52, 181,117.98 and 61,567.08
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Solution
The fourth proportional to 120,716.52, 181,117.98 and 61,567.08 is: 92,372.65
Step by Step Solution
- Step 1: Write the proportion equation
120,716.52 : 181,117.98 = 61,567.08 : x - Step 2: Convert to fraction form
120,716.52/181,117.98 = 61,567.08/x - Step 3: Cross multiply
120,716.52x = 181,117.98 × 61,567.08 - Step 4: Simplify right side
120,716.52x = 11,150,905,164.10 - Step 5: Solve for x
x = 11,150,905,164.10/120,716.52 - Step 6: Final answer
x = 92,372.65
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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.