Finding the Fourth Proportional to 134,652.99, 185,831.84 and 74,234.43
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Solution
The fourth proportional to 134,652.99, 185,831.84 and 74,234.43 is: 102,449.42
Step by Step Solution
- Step 1: Write the proportion equation
134,652.99 : 185,831.84 = 74,234.43 : x - Step 2: Convert to fraction form
134,652.99/185,831.84 = 74,234.43/x - Step 3: Cross multiply
134,652.99x = 185,831.84 × 74,234.43 - Step 4: Simplify right side
134,652.99x = 13,795,120,347.08 - Step 5: Solve for x
x = 13,795,120,347.08/134,652.99 - Step 6: Final answer
x = 102,449.42
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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.