Finding the Fourth Proportional to 102,529.80, 153,794.70 and 98,593.20
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Solution
The fourth proportional to 102,529.80, 153,794.70 and 98,593.20 is: 147,889.80
Step by Step Solution
- Step 1: Write the proportion equation
102,529.80 : 153,794.70 = 98,593.20 : x - Step 2: Convert to fraction form
102,529.80/153,794.70 = 98,593.20/x - Step 3: Cross multiply
102,529.80x = 153,794.70 × 98,593.20 - Step 4: Simplify right side
102,529.80x = 15,163,111,616.04 - Step 5: Solve for x
x = 15,163,111,616.04/102,529.80 - Step 6: Final answer
x = 147,889.80
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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.