Finding the Fourth Proportional to 134,976.79, 186,269.37 and 74,548.96
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Solution
The fourth proportional to 134,976.79, 186,269.37 and 74,548.96 is: 102,878.34
Step by Step Solution
- Step 1: Write the proportion equation
134,976.79 : 186,269.37 = 74,548.96 : x - Step 2: Convert to fraction form
134,976.79/186,269.37 = 74,548.96/x - Step 3: Cross multiply
134,976.79x = 186,269.37 × 74,548.96 - Step 4: Simplify right side
134,976.79x = 13,886,187,813.36 - Step 5: Solve for x
x = 13,886,187,813.36/134,976.79 - Step 6: Final answer
x = 102,878.34
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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.