Finding the Fourth Proportional to 135,646.64, 187,194.62 and 75,219.84
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Solution
The fourth proportional to 135,646.64, 187,194.62 and 75,219.84 is: 103,804.63
Step by Step Solution
- Step 1: Write the proportion equation
135,646.64 : 187,194.62 = 75,219.84 : x - Step 2: Convert to fraction form
135,646.64/187,194.62 = 75,219.84/x - Step 3: Cross multiply
135,646.64x = 187,194.62 × 75,219.84 - Step 4: Simplify right side
135,646.64x = 14,080,749,365.26 - Step 5: Solve for x
x = 14,080,749,365.26/135,646.64 - Step 6: Final answer
x = 103,804.63
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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.