Finding the Fourth Proportional to 106,567.95, 159,793.05 and 67,040.49
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Solution
The fourth proportional to 106,567.95, 159,793.05 and 67,040.49 is: 100,523.70
Step by Step Solution
- Step 1: Write the proportion equation
106,567.95 : 159,793.05 = 67,040.49 : x - Step 2: Convert to fraction form
106,567.95/159,793.05 = 67,040.49/x - Step 3: Cross multiply
106,567.95x = 159,793.05 × 67,040.49 - Step 4: Simplify right side
106,567.95x = 10,712,604,370.59 - Step 5: Solve for x
x = 10,712,604,370.59/106,567.95 - Step 6: Final answer
x = 100,523.70
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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.