Home / 104,129.29-156,174.21-50,767.72

Finding the Fourth Proportional to 104,129.29, 156,174.21 and 50,767.72

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Solution

The fourth proportional to 104,129.29, 156,174.21 and 50,767.72 is: 76,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,129.29 : 156,174.21 = 50,767.72 : x
  2. Step 2: Convert to fraction form
    104,129.29/156,174.21 = 50,767.72/x
  3. Step 3: Cross multiply
    104,129.29x = 156,174.21 × 50,767.72
  4. Step 4: Simplify right side
    104,129.29x = 7,928,608,564.50
  5. Step 5: Solve for x
    x = 7,928,608,564.50/104,129.29
  6. Step 6: Final answer
    x = 76,141.96

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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.