Finding the Fourth Proportional to 134,982.44, 186,270.71 and 74,551.77
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Solution
The fourth proportional to 134,982.44, 186,270.71 and 74,551.77 is: 102,878.65
Step by Step Solution
- Step 1: Write the proportion equation
134,982.44 : 186,270.71 = 74,551.77 : x - Step 2: Convert to fraction form
134,982.44/186,270.71 = 74,551.77/x - Step 3: Cross multiply
134,982.44x = 186,270.71 × 74,551.77 - Step 4: Simplify right side
134,982.44x = 13,886,810,756.90 - Step 5: Solve for x
x = 13,886,810,756.90/134,982.44 - Step 6: Final answer
x = 102,878.65
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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.