Finding the Fourth Proportional to 133,658.75, 184,449.08 and 74,042.75
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Solution
The fourth proportional to 133,658.75, 184,449.08 and 74,042.75 is: 102,179.00
Step by Step Solution
- Step 1: Write the proportion equation
133,658.75 : 184,449.08 = 74,042.75 : x - Step 2: Convert to fraction form
133,658.75/184,449.08 = 74,042.75/x - Step 3: Cross multiply
133,658.75x = 184,449.08 × 74,042.75 - Step 4: Simplify right side
133,658.75x = 13,657,117,118.17 - Step 5: Solve for x
x = 13,657,117,118.17/133,658.75 - Step 6: Final answer
x = 102,179.00
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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.