Finding the Fourth Proportional to 135,460.23, 186,933.08 and 74,205.93
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Solution
The fourth proportional to 135,460.23, 186,933.08 and 74,205.93 is: 102,403.06
Step by Step Solution
- Step 1: Write the proportion equation
135,460.23 : 186,933.08 = 74,205.93 : x - Step 2: Convert to fraction form
135,460.23/186,933.08 = 74,205.93/x - Step 3: Cross multiply
135,460.23x = 186,933.08 × 74,205.93 - Step 4: Simplify right side
135,460.23x = 13,871,542,678.13 - Step 5: Solve for x
x = 13,871,542,678.13/135,460.23 - Step 6: Final answer
x = 102,403.06
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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.