Finding the Fourth Proportional to 135,655.56, 187,214.25 and 75,231.99
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Solution
The fourth proportional to 135,655.56, 187,214.25 and 75,231.99 is: 103,825.46
Step by Step Solution
- Step 1: Write the proportion equation
135,655.56 : 187,214.25 = 75,231.99 : x - Step 2: Convert to fraction form
135,655.56/187,214.25 = 75,231.99/x - Step 3: Cross multiply
135,655.56x = 187,214.25 × 75,231.99 - Step 4: Simplify right side
135,655.56x = 14,084,500,583.86 - Step 5: Solve for x
x = 14,084,500,583.86/135,655.56 - Step 6: Final answer
x = 103,825.46
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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.