Home / 135,792.28-203,639.76-47,021.94

Finding the Fourth Proportional to 135,792.28, 203,639.76 and 47,021.94

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Solution

The fourth proportional to 135,792.28, 203,639.76 and 47,021.94 is: 70,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,792.28 : 203,639.76 = 47,021.94 : x
  2. Step 2: Convert to fraction form
    135,792.28/203,639.76 = 47,021.94/x
  3. Step 3: Cross multiply
    135,792.28x = 203,639.76 × 47,021.94
  4. Step 4: Simplify right side
    135,792.28x = 9,575,536,576.33
  5. Step 5: Solve for x
    x = 9,575,536,576.33/135,792.28
  6. Step 6: Final answer
    x = 70,516.06

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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.