Finding the Fourth Proportional to 134,720.19, 202,114.61 and 39,953.83
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Solution
The fourth proportional to 134,720.19, 202,114.61 and 39,953.83 is: 59,940.92
Step by Step Solution
- Step 1: Write the proportion equation
134,720.19 : 202,114.61 = 39,953.83 : x - Step 2: Convert to fraction form
134,720.19/202,114.61 = 39,953.83/x - Step 3: Cross multiply
134,720.19x = 202,114.61 × 39,953.83 - Step 4: Simplify right side
134,720.19x = 8,075,252,768.46 - Step 5: Solve for x
x = 8,075,252,768.46/134,720.19 - Step 6: Final answer
x = 59,940.92
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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.