Finding the Fourth Proportional to 110,122.24, 151,981.44 and 103,366.48
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Solution
The fourth proportional to 110,122.24, 151,981.44 and 103,366.48 is: 142,657.71
Step by Step Solution
- Step 1: Write the proportion equation
110,122.24 : 151,981.44 = 103,366.48 : x - Step 2: Convert to fraction form
110,122.24/151,981.44 = 103,366.48/x - Step 3: Cross multiply
110,122.24x = 151,981.44 × 103,366.48 - Step 4: Simplify right side
110,122.24x = 15,709,786,478.13 - Step 5: Solve for x
x = 15,709,786,478.13/110,122.24 - Step 6: Final answer
x = 142,657.71
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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.