Finding the Fourth Proportional to 115,072.53, 158,799.94 and 67,335.08
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Solution
The fourth proportional to 115,072.53, 158,799.94 and 67,335.08 is: 92,922.32
Step by Step Solution
- Step 1: Write the proportion equation
115,072.53 : 158,799.94 = 67,335.08 : x - Step 2: Convert to fraction form
115,072.53/158,799.94 = 67,335.08/x - Step 3: Cross multiply
115,072.53x = 158,799.94 × 67,335.08 - Step 4: Simplify right side
115,072.53x = 10,692,806,663.90 - Step 5: Solve for x
x = 10,692,806,663.90/115,072.53 - Step 6: Final answer
x = 92,922.32
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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.