Home / 129,727.44-194,678.64-50,831.82

Finding the Fourth Proportional to 129,727.44, 194,678.64 and 50,831.82

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Solution

The fourth proportional to 129,727.44, 194,678.64 and 50,831.82 is: 76,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,727.44 : 194,678.64 = 50,831.82 : x
  2. Step 2: Convert to fraction form
    129,727.44/194,678.64 = 50,831.82/x
  3. Step 3: Cross multiply
    129,727.44x = 194,678.64 × 50,831.82
  4. Step 4: Simplify right side
    129,727.44x = 9,895,869,586.32
  5. Step 5: Solve for x
    x = 9,895,869,586.32/129,727.44
  6. Step 6: Final answer
    x = 76,282.01

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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.