Finding the Fourth Proportional to 135,331.08, 186,752.14 and 74,901.84
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Solution
The fourth proportional to 135,331.08, 186,752.14 and 74,901.84 is: 103,361.91
Step by Step Solution
- Step 1: Write the proportion equation
135,331.08 : 186,752.14 = 74,901.84 : x - Step 2: Convert to fraction form
135,331.08/186,752.14 = 74,901.84/x - Step 3: Cross multiply
135,331.08x = 186,752.14 × 74,901.84 - Step 4: Simplify right side
135,331.08x = 13,988,078,909.94 - Step 5: Solve for x
x = 13,988,078,909.94/135,331.08 - Step 6: Final answer
x = 103,361.91
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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.