Finding the Fourth Proportional to 104,169.68, 143,659.67 and 68,346.08
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Solution
The fourth proportional to 104,169.68, 143,659.67 and 68,346.08 is: 94,255.60
Step by Step Solution
- Step 1: Write the proportion equation
104,169.68 : 143,659.67 = 68,346.08 : x - Step 2: Convert to fraction form
104,169.68/143,659.67 = 68,346.08/x - Step 3: Cross multiply
104,169.68x = 143,659.67 × 68,346.08 - Step 4: Simplify right side
104,169.68x = 9,818,575,298.59 - Step 5: Solve for x
x = 9,818,575,298.59/104,169.68 - Step 6: Final answer
x = 94,255.60
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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.