Finding the Fourth Proportional to 135,945.30, 187,634.50 and 75,536.70
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Solution
The fourth proportional to 135,945.30, 187,634.50 and 75,536.70 is: 104,257.31
Step by Step Solution
- Step 1: Write the proportion equation
135,945.30 : 187,634.50 = 75,536.70 : x - Step 2: Convert to fraction form
135,945.30/187,634.50 = 75,536.70/x - Step 3: Cross multiply
135,945.30x = 187,634.50 × 75,536.70 - Step 4: Simplify right side
135,945.30x = 14,173,290,936.15 - Step 5: Solve for x
x = 14,173,290,936.15/135,945.30 - Step 6: Final answer
x = 104,257.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.