Finding the Fourth Proportional to 122,316.14, 168,797.99 and 73,911.35
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Solution
The fourth proportional to 122,316.14, 168,797.99 and 73,911.35 is: 101,998.70
Step by Step Solution
- Step 1: Write the proportion equation
122,316.14 : 168,797.99 = 73,911.35 : x - Step 2: Convert to fraction form
122,316.14/168,797.99 = 73,911.35/x - Step 3: Cross multiply
122,316.14x = 168,797.99 × 73,911.35 - Step 4: Simplify right side
122,316.14x = 12,476,087,924.96 - Step 5: Solve for x
x = 12,476,087,924.96/122,316.14 - Step 6: Final answer
x = 101,998.70
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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.