Finding the Fourth Proportional to 161,947.68, 223,389.81 and 104,497.08
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Solution
The fourth proportional to 161,947.68, 223,389.81 and 104,497.08 is: 144,142.74
Step by Step Solution
- Step 1: Write the proportion equation
161,947.68 : 223,389.81 = 104,497.08 : x - Step 2: Convert to fraction form
161,947.68/223,389.81 = 104,497.08/x - Step 3: Cross multiply
161,947.68x = 223,389.81 × 104,497.08 - Step 4: Simplify right side
161,947.68x = 23,343,582,846.75 - Step 5: Solve for x
x = 23,343,582,846.75/161,947.68 - Step 6: Final answer
x = 144,142.74
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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.