Finding the Fourth Proportional to 131,973.24, 182,125.35 and 75,385.02
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Solution
The fourth proportional to 131,973.24, 182,125.35 and 75,385.02 is: 104,032.63
Step by Step Solution
- Step 1: Write the proportion equation
131,973.24 : 182,125.35 = 75,385.02 : x - Step 2: Convert to fraction form
131,973.24/182,125.35 = 75,385.02/x - Step 3: Cross multiply
131,973.24x = 182,125.35 × 75,385.02 - Step 4: Simplify right side
131,973.24x = 13,729,523,152.26 - Step 5: Solve for x
x = 13,729,523,152.26/131,973.24 - Step 6: Final answer
x = 104,032.63
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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.