Finding the Fourth Proportional to 112,164.18, 154,723.95 and 71,252.70
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Solution
The fourth proportional to 112,164.18, 154,723.95 and 71,252.70 is: 98,288.95
Step by Step Solution
- Step 1: Write the proportion equation
112,164.18 : 154,723.95 = 71,252.70 : x - Step 2: Convert to fraction form
112,164.18/154,723.95 = 71,252.70/x - Step 3: Cross multiply
112,164.18x = 154,723.95 × 71,252.70 - Step 4: Simplify right side
112,164.18x = 11,024,499,192.17 - Step 5: Solve for x
x = 11,024,499,192.17/112,164.18 - Step 6: Final answer
x = 98,288.95
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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.