Home / 130,021.31-195,083.71-50,037.81

Finding the Fourth Proportional to 130,021.31, 195,083.71 and 50,037.81

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Solution

The fourth proportional to 130,021.31, 195,083.71 and 50,037.81 is: 75,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,021.31 : 195,083.71 = 50,037.81 : x
  2. Step 2: Convert to fraction form
    130,021.31/195,083.71 = 50,037.81/x
  3. Step 3: Cross multiply
    130,021.31x = 195,083.71 × 50,037.81
  4. Step 4: Simplify right side
    130,021.31x = 9,761,560,758.42
  5. Step 5: Solve for x
    x = 9,761,560,758.42/130,021.31
  6. Step 6: Final answer
    x = 75,076.62

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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.