Home / 129,553.31-194,440.73-50,722.89

Finding the Fourth Proportional to 129,553.31, 194,440.73 and 50,722.89

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Solution

The fourth proportional to 129,553.31, 194,440.73 and 50,722.89 is: 76,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,553.31 : 194,440.73 = 50,722.89 : x
  2. Step 2: Convert to fraction form
    129,553.31/194,440.73 = 50,722.89/x
  3. Step 3: Cross multiply
    129,553.31x = 194,440.73 × 50,722.89
  4. Step 4: Simplify right side
    129,553.31x = 9,862,595,759.31
  5. Step 5: Solve for x
    x = 9,862,595,759.31/129,553.31
  6. Step 6: Final answer
    x = 76,127.70

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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.