Finding the Fourth Proportional to 104,927.08, 157,498.14 and 81,806.44
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Solution
The fourth proportional to 104,927.08, 157,498.14 and 81,806.44 is: 122,793.49
Step by Step Solution
- Step 1: Write the proportion equation
104,927.08 : 157,498.14 = 81,806.44 : x - Step 2: Convert to fraction form
104,927.08/157,498.14 = 81,806.44/x - Step 3: Cross multiply
104,927.08x = 157,498.14 × 81,806.44 - Step 4: Simplify right side
104,927.08x = 12,884,362,140.02 - Step 5: Solve for x
x = 12,884,362,140.02/104,927.08 - Step 6: Final answer
x = 122,793.49
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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.