Home / 240,813.59-332,310.89-131,918.39

Finding the Fourth Proportional to 240,813.59, 332,310.89 and 131,918.39

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Solution

The fourth proportional to 240,813.59, 332,310.89 and 131,918.39 is: 182,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,813.59 : 332,310.89 = 131,918.39 : x
  2. Step 2: Convert to fraction form
    240,813.59/332,310.89 = 131,918.39/x
  3. Step 3: Cross multiply
    240,813.59x = 332,310.89 × 131,918.39
  4. Step 4: Simplify right side
    240,813.59x = 43,837,916,928.68
  5. Step 5: Solve for x
    x = 43,837,916,928.68/240,813.59
  6. Step 6: Final answer
    x = 182,040.88

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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.