Finding the Fourth Proportional to 119,100.36, 164,327.70 and 71,319.88
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Solution
The fourth proportional to 119,100.36, 164,327.70 and 71,319.88 is: 98,402.99
Step by Step Solution
- Step 1: Write the proportion equation
119,100.36 : 164,327.70 = 71,319.88 : x - Step 2: Convert to fraction form
119,100.36/164,327.70 = 71,319.88/x - Step 3: Cross multiply
119,100.36x = 164,327.70 × 71,319.88 - Step 4: Simplify right side
119,100.36x = 11,719,831,844.68 - Step 5: Solve for x
x = 11,719,831,844.68/119,100.36 - Step 6: Final answer
x = 98,402.99
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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.