Finding the Fourth Proportional to 103,331.44, 142,560.68 and 67,542.08
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Solution
The fourth proportional to 103,331.44, 142,560.68 and 67,542.08 is: 93,184.08
Step by Step Solution
- Step 1: Write the proportion equation
103,331.44 : 142,560.68 = 67,542.08 : x - Step 2: Convert to fraction form
103,331.44/142,560.68 = 67,542.08/x - Step 3: Cross multiply
103,331.44x = 142,560.68 × 67,542.08 - Step 4: Simplify right side
103,331.44x = 9,628,844,853.41 - Step 5: Solve for x
x = 9,628,844,853.41/103,331.44 - Step 6: Final answer
x = 93,184.08
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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.