Finding the Fourth Proportional to 106,372.08, 146,793.51 and 57,973.68
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Solution
The fourth proportional to 106,372.08, 146,793.51 and 57,973.68 is: 80,003.70
Step by Step Solution
- Step 1: Write the proportion equation
106,372.08 : 146,793.51 = 57,973.68 : x - Step 2: Convert to fraction form
106,372.08/146,793.51 = 57,973.68/x - Step 3: Cross multiply
106,372.08x = 146,793.51 × 57,973.68 - Step 4: Simplify right side
106,372.08x = 8,510,159,974.82 - Step 5: Solve for x
x = 8,510,159,974.82/106,372.08 - Step 6: Final answer
x = 80,003.70
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1.5x scale
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.