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Finding the Fourth Proportional to 129,382, 194,073 and 35,887.75

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Solution

The fourth proportional to 129,382, 194,073 and 35,887.75 is: 53,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,382 : 194,073 = 35,887.75 : x
  2. Step 2: Convert to fraction form
    129,382/194,073 = 35,887.75/x
  3. Step 3: Cross multiply
    129,382x = 194,073 × 35,887.75
  4. Step 4: Simplify right side
    129,382x = 6,964,843,305.75
  5. Step 5: Solve for x
    x = 6,964,843,305.75/129,382
  6. Step 6: Final answer
    x = 53,831.63

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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.