Finding the Fourth Proportional to 102,088.04, 153,163.20 and 52,203.18
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Solution
The fourth proportional to 102,088.04, 153,163.20 and 52,203.18 is: 78,320.69
Step by Step Solution
- Step 1: Write the proportion equation
102,088.04 : 153,163.20 = 52,203.18 : x - Step 2: Convert to fraction form
102,088.04/153,163.20 = 52,203.18/x - Step 3: Cross multiply
102,088.04x = 153,163.20 × 52,203.18 - Step 4: Simplify right side
102,088.04x = 7,995,606,098.98 - Step 5: Solve for x
x = 7,995,606,098.98/102,088.04 - Step 6: Final answer
x = 78,320.69
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1.5x scale
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.