Finding the Fourth Proportional to 135,726.62, 187,302.94 and 75,297.26
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Solution
The fourth proportional to 135,726.62, 187,302.94 and 75,297.26 is: 103,910.33
Step by Step Solution
- Step 1: Write the proportion equation
135,726.62 : 187,302.94 = 75,297.26 : x - Step 2: Convert to fraction form
135,726.62/187,302.94 = 75,297.26/x - Step 3: Cross multiply
135,726.62x = 187,302.94 × 75,297.26 - Step 4: Simplify right side
135,726.62x = 14,103,398,171.94 - Step 5: Solve for x
x = 14,103,398,171.94/135,726.62 - Step 6: Final answer
x = 103,910.33
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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.