Finding the Fourth Proportional to 161,701.42, 223,148.24 and 90,083.99
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Solution
The fourth proportional to 161,701.42, 223,148.24 and 90,083.99 is: 124,316.06
Step by Step Solution
- Step 1: Write the proportion equation
161,701.42 : 223,148.24 = 90,083.99 : x - Step 2: Convert to fraction form
161,701.42/223,148.24 = 90,083.99/x - Step 3: Cross multiply
161,701.42x = 223,148.24 × 90,083.99 - Step 4: Simplify right side
161,701.42x = 20,102,083,820.68 - Step 5: Solve for x
x = 20,102,083,820.68/161,701.42 - Step 6: Final answer
x = 124,316.06
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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.