Finding the Fourth Proportional to 134,985.69, 186,276.92 and 73,729.44
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Solution
The fourth proportional to 134,985.69, 186,276.92 and 73,729.44 is: 101,744.80
Step by Step Solution
- Step 1: Write the proportion equation
134,985.69 : 186,276.92 = 73,729.44 : x - Step 2: Convert to fraction form
134,985.69/186,276.92 = 73,729.44/x - Step 3: Cross multiply
134,985.69x = 186,276.92 × 73,729.44 - Step 4: Simplify right side
134,985.69x = 13,734,092,627.88 - Step 5: Solve for x
x = 13,734,092,627.88/134,985.69 - Step 6: Final answer
x = 101,744.80
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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.