Finding the Fourth Proportional to 135,587.28, 187,108.08 and 75,157.68
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Solution
The fourth proportional to 135,587.28, 187,108.08 and 75,157.68 is: 103,716.29
Step by Step Solution
- Step 1: Write the proportion equation
135,587.28 : 187,108.08 = 75,157.68 : x - Step 2: Convert to fraction form
135,587.28/187,108.08 = 75,157.68/x - Step 3: Cross multiply
135,587.28x = 187,108.08 × 75,157.68 - Step 4: Simplify right side
135,587.28x = 14,062,609,202.05 - Step 5: Solve for x
x = 14,062,609,202.05/135,587.28 - Step 6: Final answer
x = 103,716.29
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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.