Finding the Fourth Proportional to 135,755.01, 187,352.18 and 75,337.08
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Solution
The fourth proportional to 135,755.01, 187,352.18 and 75,337.08 is: 103,970.86
Step by Step Solution
- Step 1: Write the proportion equation
135,755.01 : 187,352.18 = 75,337.08 : x - Step 2: Convert to fraction form
135,755.01/187,352.18 = 75,337.08/x - Step 3: Cross multiply
135,755.01x = 187,352.18 × 75,337.08 - Step 4: Simplify right side
135,755.01x = 14,114,565,376.09 - Step 5: Solve for x
x = 14,114,565,376.09/135,755.01 - Step 6: Final answer
x = 103,970.86
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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.