Finding the Fourth Proportional to 103,330.44, 142,559.30 and 67,541.08
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Solution
The fourth proportional to 103,330.44, 142,559.30 and 67,541.08 is: 93,182.70
Step by Step Solution
- Step 1: Write the proportion equation
103,330.44 : 142,559.30 = 67,541.08 : x - Step 2: Convert to fraction form
103,330.44/142,559.30 = 67,541.08/x - Step 3: Cross multiply
103,330.44x = 142,559.30 × 67,541.08 - Step 4: Simplify right side
103,330.44x = 9,628,609,086.04 - Step 5: Solve for x
x = 9,628,609,086.04/103,330.44 - Step 6: Final answer
x = 93,182.70
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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.