Finding the Fourth Proportional to 132,029.19, 182,210.34 and 74,669.65
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Solution
The fourth proportional to 132,029.19, 182,210.34 and 74,669.65 is: 103,049.80
Step by Step Solution
- Step 1: Write the proportion equation
132,029.19 : 182,210.34 = 74,669.65 : x - Step 2: Convert to fraction form
132,029.19/182,210.34 = 74,669.65/x - Step 3: Cross multiply
132,029.19x = 182,210.34 × 74,669.65 - Step 4: Simplify right side
132,029.19x = 13,605,582,138.67 - Step 5: Solve for x
x = 13,605,582,138.67/132,029.19 - Step 6: Final answer
x = 103,049.80
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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.