Home / 122,163.48-184,077.44-100,462.96

Finding the Fourth Proportional to 122,163.48, 184,077.44 and 100,462.96

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Solution

The fourth proportional to 122,163.48, 184,077.44 and 100,462.96 is: 151,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,163.48 : 184,077.44 = 100,462.96 : x
  2. Step 2: Convert to fraction form
    122,163.48/184,077.44 = 100,462.96/x
  3. Step 3: Cross multiply
    122,163.48x = 184,077.44 × 100,462.96
  4. Step 4: Simplify right side
    122,163.48x = 18,492,964,491.62
  5. Step 5: Solve for x
    x = 18,492,964,491.62/122,163.48
  6. Step 6: Final answer
    x = 151,378.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.