Home / 122,936.22-169,637.94-69,219.86

Finding the Fourth Proportional to 122,936.22, 169,637.94 and 69,219.86

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Solution

The fourth proportional to 122,936.22, 169,637.94 and 69,219.86 is: 95,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,936.22 : 169,637.94 = 69,219.86 : x
  2. Step 2: Convert to fraction form
    122,936.22/169,637.94 = 69,219.86/x
  3. Step 3: Cross multiply
    122,936.22x = 169,637.94 × 69,219.86
  4. Step 4: Simplify right side
    122,936.22x = 11,742,313,609.30
  5. Step 5: Solve for x
    x = 11,742,313,609.30/122,936.22
  6. Step 6: Final answer
    x = 95,515.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.