Finding the Fourth Proportional to 133,617.09, 184,391.66 and 73,188.74
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Solution
The fourth proportional to 133,617.09, 184,391.66 and 73,188.74 is: 101,000.50
Step by Step Solution
- Step 1: Write the proportion equation
133,617.09 : 184,391.66 = 73,188.74 : x - Step 2: Convert to fraction form
133,617.09/184,391.66 = 73,188.74/x - Step 3: Cross multiply
133,617.09x = 184,391.66 × 73,188.74 - Step 4: Simplify right side
133,617.09x = 13,495,392,895.96 - Step 5: Solve for x
x = 13,495,392,895.96/133,617.09 - Step 6: Final answer
x = 101,000.50
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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.