Finding the Fourth Proportional to 135,023.36, 186,328.96 and 74,599.79
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Solution
The fourth proportional to 135,023.36, 186,328.96 and 74,599.79 is: 102,945.90
Step by Step Solution
- Step 1: Write the proportion equation
135,023.36 : 186,328.96 = 74,599.79 : x - Step 2: Convert to fraction form
135,023.36/186,328.96 = 74,599.79/x - Step 3: Cross multiply
135,023.36x = 186,328.96 × 74,599.79 - Step 4: Simplify right side
135,023.36x = 13,900,100,168.77 - Step 5: Solve for x
x = 13,900,100,168.77/135,023.36 - Step 6: Final answer
x = 102,945.90
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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.