Finding the Fourth Proportional to 134,756.52, 202,106.44 and 39,987.60
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Solution
The fourth proportional to 134,756.52, 202,106.44 and 39,987.60 is: 59,972.99
Step by Step Solution
- Step 1: Write the proportion equation
134,756.52 : 202,106.44 = 39,987.60 : x - Step 2: Convert to fraction form
134,756.52/202,106.44 = 39,987.60/x - Step 3: Cross multiply
134,756.52x = 202,106.44 × 39,987.60 - Step 4: Simplify right side
134,756.52x = 8,081,751,480.14 - Step 5: Solve for x
x = 8,081,751,480.14/134,756.52 - Step 6: Final answer
x = 59,972.99
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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.