Finding the Fourth Proportional to 161,776.13, 223,267.73 and 97,266.42
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Solution
The fourth proportional to 161,776.13, 223,267.73 and 97,266.42 is: 134,237.68
Step by Step Solution
- Step 1: Write the proportion equation
161,776.13 : 223,267.73 = 97,266.42 : x - Step 2: Convert to fraction form
161,776.13/223,267.73 = 97,266.42/x - Step 3: Cross multiply
161,776.13x = 223,267.73 × 97,266.42 - Step 4: Simplify right side
161,776.13x = 21,716,452,312.29 - Step 5: Solve for x
x = 21,716,452,312.29/161,776.13 - Step 6: Final answer
x = 134,237.68
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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.