Finding the Fourth Proportional to 135,132.75, 186,467.04 and 74,695.23
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Solution
The fourth proportional to 135,132.75, 186,467.04 and 74,695.23 is: 103,070.49
Step by Step Solution
- Step 1: Write the proportion equation
135,132.75 : 186,467.04 = 74,695.23 : x - Step 2: Convert to fraction form
135,132.75/186,467.04 = 74,695.23/x - Step 3: Cross multiply
135,132.75x = 186,467.04 × 74,695.23 - Step 4: Simplify right side
135,132.75x = 13,928,198,440.22 - Step 5: Solve for x
x = 13,928,198,440.22/135,132.75 - Step 6: Final answer
x = 103,070.49
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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.