Finding the Fourth Proportional to 135,611.91, 187,155.50 and 75,201.48
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Solution
The fourth proportional to 135,611.91, 187,155.50 and 75,201.48 is: 103,784.18
Step by Step Solution
- Step 1: Write the proportion equation
135,611.91 : 187,155.50 = 75,201.48 : x - Step 2: Convert to fraction form
135,611.91/187,155.50 = 75,201.48/x - Step 3: Cross multiply
135,611.91x = 187,155.50 × 75,201.48 - Step 4: Simplify right side
135,611.91x = 14,074,370,214.13 - Step 5: Solve for x
x = 14,074,370,214.13/135,611.91 - Step 6: Final answer
x = 103,784.18
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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.