Finding the Fourth Proportional to 134,937.24, 202,529.34 and 68,423.28
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Solution
The fourth proportional to 134,937.24, 202,529.34 and 68,423.28 is: 102,697.53
Step by Step Solution
- Step 1: Write the proportion equation
134,937.24 : 202,529.34 = 68,423.28 : x - Step 2: Convert to fraction form
134,937.24/202,529.34 = 68,423.28/x - Step 3: Cross multiply
134,937.24x = 202,529.34 × 68,423.28 - Step 4: Simplify right side
134,937.24x = 13,857,721,739.04 - Step 5: Solve for x
x = 13,857,721,739.04/134,937.24 - Step 6: Final answer
x = 102,697.53
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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.