Finding the Fourth Proportional to 134,089.96, 201,219.79 and 74,964.42
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Solution
The fourth proportional to 134,089.96, 201,219.79 and 74,964.42 is: 112,494.07
Step by Step Solution
- Step 1: Write the proportion equation
134,089.96 : 201,219.79 = 74,964.42 : x - Step 2: Convert to fraction form
134,089.96/201,219.79 = 74,964.42/x - Step 3: Cross multiply
134,089.96x = 201,219.79 × 74,964.42 - Step 4: Simplify right side
134,089.96x = 15,084,324,849.87 - Step 5: Solve for x
x = 15,084,324,849.87/134,089.96 - Step 6: Final answer
x = 112,494.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.