Finding the Fourth Proportional to 133,633.79, 184,414.69 and 73,206.62
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Solution
The fourth proportional to 133,633.79, 184,414.69 and 73,206.62 is: 101,025.17
Step by Step Solution
- Step 1: Write the proportion equation
133,633.79 : 184,414.69 = 73,206.62 : x - Step 2: Convert to fraction form
133,633.79/184,414.69 = 73,206.62/x - Step 3: Cross multiply
133,633.79x = 184,414.69 × 73,206.62 - Step 4: Simplify right side
133,633.79x = 13,500,376,133.25 - Step 5: Solve for x
x = 13,500,376,133.25/133,633.79 - Step 6: Final answer
x = 101,025.17
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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.