Finding the Fourth Proportional to 122,733.08, 183,911.04 and 72,713.66
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Solution
The fourth proportional to 122,733.08, 183,911.04 and 72,713.66 is: 108,958.77
Step by Step Solution
- Step 1: Write the proportion equation
122,733.08 : 183,911.04 = 72,713.66 : x - Step 2: Convert to fraction form
122,733.08/183,911.04 = 72,713.66/x - Step 3: Cross multiply
122,733.08x = 183,911.04 × 72,713.66 - Step 4: Simplify right side
122,733.08x = 13,372,844,832.81 - Step 5: Solve for x
x = 13,372,844,832.81/122,733.08 - Step 6: Final answer
x = 108,958.77
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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.