Finding the Fourth Proportional to 102,018.24, 140,440.50 and 84,084.84
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Solution
The fourth proportional to 102,018.24, 140,440.50 and 84,084.84 is: 115,753.00
Step by Step Solution
- Step 1: Write the proportion equation
102,018.24 : 140,440.50 = 84,084.84 : x - Step 2: Convert to fraction form
102,018.24/140,440.50 = 84,084.84/x - Step 3: Cross multiply
102,018.24x = 140,440.50 × 84,084.84 - Step 4: Simplify right side
102,018.24x = 11,808,916,972.02 - Step 5: Solve for x
x = 11,808,916,972.02/102,018.24 - Step 6: Final answer
x = 115,753.00
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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.