Finding the Fourth Proportional to 134,645.37, 185,821.32 and 74,226.75
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Solution
The fourth proportional to 134,645.37, 185,821.32 and 74,226.75 is: 102,438.82
Step by Step Solution
- Step 1: Write the proportion equation
134,645.37 : 185,821.32 = 74,226.75 : x - Step 2: Convert to fraction form
134,645.37/185,821.32 = 74,226.75/x - Step 3: Cross multiply
134,645.37x = 185,821.32 × 74,226.75 - Step 4: Simplify right side
134,645.37x = 13,792,912,664.31 - Step 5: Solve for x
x = 13,792,912,664.31/134,645.37 - Step 6: Final answer
x = 102,438.82
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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.