Finding the Fourth Proportional to 106,026.13, 159,039.10 and 27,140.23
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Solution
The fourth proportional to 106,026.13, 159,039.10 and 27,140.23 is: 40,710.32
Step by Step Solution
- Step 1: Write the proportion equation
106,026.13 : 159,039.10 = 27,140.23 : x - Step 2: Convert to fraction form
106,026.13/159,039.10 = 27,140.23/x - Step 3: Cross multiply
106,026.13x = 159,039.10 × 27,140.23 - Step 4: Simplify right side
106,026.13x = 4,316,357,752.99 - Step 5: Solve for x
x = 4,316,357,752.99/106,026.13 - Step 6: Final answer
x = 40,710.32
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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.