Home / 235,247.19-324,604.58-139,751.43

Finding the Fourth Proportional to 235,247.19, 324,604.58 and 139,751.43

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Solution

The fourth proportional to 235,247.19, 324,604.58 and 139,751.43 is: 192,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,247.19 : 324,604.58 = 139,751.43 : x
  2. Step 2: Convert to fraction form
    235,247.19/324,604.58 = 139,751.43/x
  3. Step 3: Cross multiply
    235,247.19x = 324,604.58 × 139,751.43
  4. Step 4: Simplify right side
    235,247.19x = 45,363,953,540.79
  5. Step 5: Solve for x
    x = 45,363,953,540.79/235,247.19
  6. Step 6: Final answer
    x = 192,835.26

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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.