Finding the Fourth Proportional to 101,224.08, 139,705.56 and 63,006.26
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Solution
The fourth proportional to 101,224.08, 139,705.56 and 63,006.26 is: 86,958.80
Step by Step Solution
- Step 1: Write the proportion equation
101,224.08 : 139,705.56 = 63,006.26 : x - Step 2: Convert to fraction form
101,224.08/139,705.56 = 63,006.26/x - Step 3: Cross multiply
101,224.08x = 139,705.56 × 63,006.26 - Step 4: Simplify right side
101,224.08x = 8,802,324,138.28 - Step 5: Solve for x
x = 8,802,324,138.28/101,224.08 - Step 6: Final answer
x = 86,958.80
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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.