Home / 235,429.92-324,858.32-139,902.24

Finding the Fourth Proportional to 235,429.92, 324,858.32 and 139,902.24

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Solution

The fourth proportional to 235,429.92, 324,858.32 and 139,902.24 is: 193,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,429.92 : 324,858.32 = 139,902.24 : x
  2. Step 2: Convert to fraction form
    235,429.92/324,858.32 = 139,902.24/x
  3. Step 3: Cross multiply
    235,429.92x = 324,858.32 × 139,902.24
  4. Step 4: Simplify right side
    235,429.92x = 45,448,406,650.64
  5. Step 5: Solve for x
    x = 45,448,406,650.64/235,429.92
  6. Step 6: Final answer
    x = 193,044.31

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1.5x scale

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.