Finding the Fourth Proportional to 135,947.03, 187,636.91 and 75,538.44
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Solution
The fourth proportional to 135,947.03, 187,636.91 and 75,538.44 is: 104,259.72
Step by Step Solution
- Step 1: Write the proportion equation
135,947.03 : 187,636.91 = 75,538.44 : x - Step 2: Convert to fraction form
135,947.03/187,636.91 = 75,538.44/x - Step 3: Cross multiply
135,947.03x = 187,636.91 × 75,538.44 - Step 4: Simplify right side
135,947.03x = 14,173,799,090.13 - Step 5: Solve for x
x = 14,173,799,090.13/135,947.03 - Step 6: Final answer
x = 104,259.72
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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.