Finding the Fourth Proportional to 134,565.99, 201,907.31 and 72,163.59
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Solution
The fourth proportional to 134,565.99, 201,907.31 and 72,163.59 is: 108,276.66
Step by Step Solution
- Step 1: Write the proportion equation
134,565.99 : 201,907.31 = 72,163.59 : x - Step 2: Convert to fraction form
134,565.99/201,907.31 = 72,163.59/x - Step 3: Cross multiply
134,565.99x = 201,907.31 × 72,163.59 - Step 4: Simplify right side
134,565.99x = 14,570,355,976.02 - Step 5: Solve for x
x = 14,570,355,976.02/134,565.99 - Step 6: Final answer
x = 108,276.66
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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.