Finding the Fourth Proportional to 104,170.68, 143,661.05 and 68,347.08
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Solution
The fourth proportional to 104,170.68, 143,661.05 and 68,347.08 is: 94,256.98
Step by Step Solution
- Step 1: Write the proportion equation
104,170.68 : 143,661.05 = 68,347.08 : x - Step 2: Convert to fraction form
104,170.68/143,661.05 = 68,347.08/x - Step 3: Cross multiply
104,170.68x = 143,661.05 × 68,347.08 - Step 4: Simplify right side
104,170.68x = 9,818,813,277.23 - Step 5: Solve for x
x = 9,818,813,277.23/104,170.68 - Step 6: Final answer
x = 94,256.98
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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.