Finding the Fourth Proportional to 163,125.84, 225,110.16 and 89,537.28
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Solution
The fourth proportional to 163,125.84, 225,110.16 and 89,537.28 is: 123,559.53
Step by Step Solution
- Step 1: Write the proportion equation
163,125.84 : 225,110.16 = 89,537.28 : x - Step 2: Convert to fraction form
163,125.84/225,110.16 = 89,537.28/x - Step 3: Cross multiply
163,125.84x = 225,110.16 × 89,537.28 - Step 4: Simplify right side
163,125.84x = 20,155,751,426.76 - Step 5: Solve for x
x = 20,155,751,426.76/163,125.84 - Step 6: Final answer
x = 123,559.53
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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.