Finding the Fourth Proportional to 98,696.40, 136,201.14 and 56,257.26
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Solution
The fourth proportional to 98,696.40, 136,201.14 and 56,257.26 is: 77,635.08
Step by Step Solution
- Step 1: Write the proportion equation
98,696.40 : 136,201.14 = 56,257.26 : x - Step 2: Convert to fraction form
98,696.40/136,201.14 = 56,257.26/x - Step 3: Cross multiply
98,696.40x = 136,201.14 × 56,257.26 - Step 4: Simplify right side
98,696.40x = 7,662,302,945.28 - Step 5: Solve for x
x = 7,662,302,945.28/98,696.40 - Step 6: Final answer
x = 77,635.08
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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.