Finding the Fourth Proportional to 135,176.22, 186,535.68 and 74,743.26
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Solution
The fourth proportional to 135,176.22, 186,535.68 and 74,743.26 is: 103,141.55
Step by Step Solution
- Step 1: Write the proportion equation
135,176.22 : 186,535.68 = 74,743.26 : x - Step 2: Convert to fraction form
135,176.22/186,535.68 = 74,743.26/x - Step 3: Cross multiply
135,176.22x = 186,535.68 × 74,743.26 - Step 4: Simplify right side
135,176.22x = 13,942,284,829.52 - Step 5: Solve for x
x = 13,942,284,829.52/135,176.22 - Step 6: Final answer
x = 103,141.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.