Finding the Fourth Proportional to 135,727.20, 187,106.88 and 95,317.92
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Solution
The fourth proportional to 135,727.20, 187,106.88 and 95,317.92 is: 131,400.62
Step by Step Solution
- Step 1: Write the proportion equation
135,727.20 : 187,106.88 = 95,317.92 : x - Step 2: Convert to fraction form
135,727.20/187,106.88 = 95,317.92/x - Step 3: Cross multiply
135,727.20x = 187,106.88 × 95,317.92 - Step 4: Simplify right side
135,727.20x = 17,834,638,619.29 - Step 5: Solve for x
x = 17,834,638,619.29/135,727.20 - Step 6: Final answer
x = 131,400.62
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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.