Finding the Fourth Proportional to 107,266.80, 148,029.35 and 59,520.95
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Solution
The fourth proportional to 107,266.80, 148,029.35 and 59,520.95 is: 82,139.55
Step by Step Solution
- Step 1: Write the proportion equation
107,266.80 : 148,029.35 = 59,520.95 : x - Step 2: Convert to fraction form
107,266.80/148,029.35 = 59,520.95/x - Step 3: Cross multiply
107,266.80x = 148,029.35 × 59,520.95 - Step 4: Simplify right side
107,266.80x = 8,810,846,502.13 - Step 5: Solve for x
x = 8,810,846,502.13/107,266.80 - Step 6: Final answer
x = 82,139.55
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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.