Home / 235,525.32-324,917.73-139,977.72

Finding the Fourth Proportional to 235,525.32, 324,917.73 and 139,977.72

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Solution

The fourth proportional to 235,525.32, 324,917.73 and 139,977.72 is: 193,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,525.32 : 324,917.73 = 139,977.72 : x
  2. Step 2: Convert to fraction form
    235,525.32/324,917.73 = 139,977.72/x
  3. Step 3: Cross multiply
    235,525.32x = 324,917.73 × 139,977.72
  4. Step 4: Simplify right side
    235,525.32x = 45,481,243,032.98
  5. Step 5: Solve for x
    x = 45,481,243,032.98/235,525.32
  6. Step 6: Final answer
    x = 193,105.54

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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.