Home / 129,857.97-194,792.53-50,989.29

Finding the Fourth Proportional to 129,857.97, 194,792.53 and 50,989.29

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Solution

The fourth proportional to 129,857.97, 194,792.53 and 50,989.29 is: 76,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,857.97 : 194,792.53 = 50,989.29 : x
  2. Step 2: Convert to fraction form
    129,857.97/194,792.53 = 50,989.29/x
  3. Step 3: Cross multiply
    129,857.97x = 194,792.53 × 50,989.29
  4. Step 4: Simplify right side
    129,857.97x = 9,932,332,802.00
  5. Step 5: Solve for x
    x = 9,932,332,802.00/129,857.97
  6. Step 6: Final answer
    x = 76,486.12

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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.