Finding the Fourth Proportional to 163,873.09, 245,886.18 and 84,944.26
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Solution
The fourth proportional to 163,873.09, 245,886.18 and 84,944.26 is: 127,456.06
Step by Step Solution
- Step 1: Write the proportion equation
163,873.09 : 245,886.18 = 84,944.26 : x - Step 2: Convert to fraction form
163,873.09/245,886.18 = 84,944.26/x - Step 3: Cross multiply
163,873.09x = 245,886.18 × 84,944.26 - Step 4: Simplify right side
163,873.09x = 20,886,617,950.17 - Step 5: Solve for x
x = 20,886,617,950.17/163,873.09 - Step 6: Final answer
x = 127,456.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.