Finding the Fourth Proportional to 134,237.81, 185,249.42 and 73,808.84
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Solution
The fourth proportional to 134,237.81, 185,249.42 and 73,808.84 is: 101,856.88
Step by Step Solution
- Step 1: Write the proportion equation
134,237.81 : 185,249.42 = 73,808.84 : x - Step 2: Convert to fraction form
134,237.81/185,249.42 = 73,808.84/x - Step 3: Cross multiply
134,237.81x = 185,249.42 × 73,808.84 - Step 4: Simplify right side
134,237.81x = 13,673,043,505.58 - Step 5: Solve for x
x = 13,673,043,505.58/134,237.81 - Step 6: Final answer
x = 101,856.88
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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.