Finding the Fourth Proportional to 135,565.22, 187,077.78 and 75,135.68
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Solution
The fourth proportional to 135,565.22, 187,077.78 and 75,135.68 is: 103,686.01
Step by Step Solution
- Step 1: Write the proportion equation
135,565.22 : 187,077.78 = 75,135.68 : x - Step 2: Convert to fraction form
135,565.22/187,077.78 = 75,135.68/x - Step 3: Cross multiply
135,565.22x = 187,077.78 × 75,135.68 - Step 4: Simplify right side
135,565.22x = 14,056,216,213.19 - Step 5: Solve for x
x = 14,056,216,213.19/135,565.22 - Step 6: Final answer
x = 103,686.01
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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.