Finding the Fourth Proportional to 132,154.65, 182,283.12 and 84,386.48
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Solution
The fourth proportional to 132,154.65, 182,283.12 and 84,386.48 is: 116,395.68
Step by Step Solution
- Step 1: Write the proportion equation
132,154.65 : 182,283.12 = 84,386.48 : x - Step 2: Convert to fraction form
132,154.65/182,283.12 = 84,386.48/x - Step 3: Cross multiply
132,154.65x = 182,283.12 × 84,386.48 - Step 4: Simplify right side
132,154.65x = 15,382,229,948.80 - Step 5: Solve for x
x = 15,382,229,948.80/132,154.65 - Step 6: Final answer
x = 116,395.68
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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.