Finding the Fourth Proportional to 101,091.60, 151,337.88 and 74,913.84
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Solution
The fourth proportional to 101,091.60, 151,337.88 and 74,913.84 is: 112,148.80
Step by Step Solution
- Step 1: Write the proportion equation
101,091.60 : 151,337.88 = 74,913.84 : x - Step 2: Convert to fraction form
101,091.60/151,337.88 = 74,913.84/x - Step 3: Cross multiply
101,091.60x = 151,337.88 × 74,913.84 - Step 4: Simplify right side
101,091.60x = 11,337,301,728.26 - Step 5: Solve for x
x = 11,337,301,728.26/101,091.60 - Step 6: Final answer
x = 112,148.80
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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.