Finding the Fourth Proportional to 145,571.68, 200,898.08 and 88,216.02
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Solution
The fourth proportional to 145,571.68, 200,898.08 and 88,216.02 is: 121,743.66
Step by Step Solution
- Step 1: Write the proportion equation
145,571.68 : 200,898.08 = 88,216.02 : x - Step 2: Convert to fraction form
145,571.68/200,898.08 = 88,216.02/x - Step 3: Cross multiply
145,571.68x = 200,898.08 × 88,216.02 - Step 4: Simplify right side
145,571.68x = 17,722,429,043.24 - Step 5: Solve for x
x = 17,722,429,043.24/145,571.68 - Step 6: Final answer
x = 121,743.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.