Home / 235,182.72-324,501.48-139,721.52

Finding the Fourth Proportional to 235,182.72, 324,501.48 and 139,721.52

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Solution

The fourth proportional to 235,182.72, 324,501.48 and 139,721.52 is: 192,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,182.72 : 324,501.48 = 139,721.52 : x
  2. Step 2: Convert to fraction form
    235,182.72/324,501.48 = 139,721.52/x
  3. Step 3: Cross multiply
    235,182.72x = 324,501.48 × 139,721.52
  4. Step 4: Simplify right side
    235,182.72x = 45,339,840,027.85
  5. Step 5: Solve for x
    x = 45,339,840,027.85/235,182.72
  6. Step 6: Final answer
    x = 192,785.59

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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.