Finding the Fourth Proportional to 135,998.60, 187,675.58 and 75,568.14
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Solution
The fourth proportional to 135,998.60, 187,675.58 and 75,568.14 is: 104,282.66
Step by Step Solution
- Step 1: Write the proportion equation
135,998.60 : 187,675.58 = 75,568.14 : x - Step 2: Convert to fraction form
135,998.60/187,675.58 = 75,568.14/x - Step 3: Cross multiply
135,998.60x = 187,675.58 × 75,568.14 - Step 4: Simplify right side
135,998.60x = 14,182,294,692.94 - Step 5: Solve for x
x = 14,182,294,692.94/135,998.60 - Step 6: Final answer
x = 104,282.66
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1.5x scale
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.