Finding the Fourth Proportional to 134,509.51, 201,542.81 and 93,987.13
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Solution
The fourth proportional to 134,509.51, 201,542.81 and 93,987.13 is: 140,825.95
Step by Step Solution
- Step 1: Write the proportion equation
134,509.51 : 201,542.81 = 93,987.13 : x - Step 2: Convert to fraction form
134,509.51/201,542.81 = 93,987.13/x - Step 3: Cross multiply
134,509.51x = 201,542.81 × 93,987.13 - Step 4: Simplify right side
134,509.51x = 18,942,429,814.10 - Step 5: Solve for x
x = 18,942,429,814.10/134,509.51 - Step 6: Final answer
x = 140,825.95
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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.