Home / 149,245.22-205,972.92-111,453.86

Finding the Fourth Proportional to 149,245.22, 205,972.92 and 111,453.86

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Solution

The fourth proportional to 149,245.22, 205,972.92 and 111,453.86 is: 153,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.22 : 205,972.92 = 111,453.86 : x
  2. Step 2: Convert to fraction form
    149,245.22/205,972.92 = 111,453.86/x
  3. Step 3: Cross multiply
    149,245.22x = 205,972.92 × 111,453.86
  4. Step 4: Simplify right side
    149,245.22x = 22,956,476,989.47
  5. Step 5: Solve for x
    x = 22,956,476,989.47/149,245.22
  6. Step 6: Final answer
    x = 153,817.17

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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.