Finding the Fourth Proportional to 125,549.95, 173,288.82 and 71,865.99
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Solution
The fourth proportional to 125,549.95, 173,288.82 and 71,865.99 is: 99,192.17
Step by Step Solution
- Step 1: Write the proportion equation
125,549.95 : 173,288.82 = 71,865.99 : x - Step 2: Convert to fraction form
125,549.95/173,288.82 = 71,865.99/x - Step 3: Cross multiply
125,549.95x = 173,288.82 × 71,865.99 - Step 4: Simplify right side
125,549.95x = 12,453,572,605.23 - Step 5: Solve for x
x = 12,453,572,605.23/125,549.95 - Step 6: Final answer
x = 99,192.17
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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.