Home / 122,982.20-184,440.90-38,742.20

Finding the Fourth Proportional to 122,982.20, 184,440.90 and 38,742.20

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Solution

The fourth proportional to 122,982.20, 184,440.90 and 38,742.20 is: 58,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,982.20 : 184,440.90 = 38,742.20 : x
  2. Step 2: Convert to fraction form
    122,982.20/184,440.90 = 38,742.20/x
  3. Step 3: Cross multiply
    122,982.20x = 184,440.90 × 38,742.20
  4. Step 4: Simplify right side
    122,982.20x = 7,145,646,235.98
  5. Step 5: Solve for x
    x = 7,145,646,235.98/122,982.20
  6. Step 6: Final answer
    x = 58,103.09

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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.